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US Navy ASM capabilities - 3/16/2014 10:19:59 PM   
VFA41_Lion


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Is it just me thats baffled by the painful lack of anti-ship missiles within the US Navy? It seems as though nearly every vessel is configured for land strikes and air defense. And too bad they phased out the TASSM in 1991. <_<

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RE: US Navy ASM capabilities - 3/16/2014 10:52:00 PM   
Dimitris

 

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Post-WW2 USN doctrine has long relied on aircraft and especially subs (using torps) to take on major surface threats. Harpoon & TASM were adopted only on the condition that they did not change this policy, and ambitious & promising systems challenging this assumption were killed off.

(As an example, the "classic" Mk141 tube launcher for Harpoon was deliberately designed to be easy to add to any existing ship without major work. Why? Because if it took a lot of money to do it, it would have necessitated a change in this doctrine. Likewise Perseus/STAM, a heavy ASCM [much more similar to Soviet carrier-killers than TASM] that would have required a dedicated submarine class to deliver it, was cancelled. Why? Because if you pour serious money (new missile + new nuclear sub) on a missile solution, you're signalling to everyone a policy shift in favor of the missile. So the _much_ cheaper Harpoon and TASM were deployed instead.)

LRASM is supposed to fill this void in the near future. We'll see.

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RE: US Navy ASM capabilities - 3/18/2014 2:00:15 AM   
Apocal

 

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quote:

ORIGINAL: VFA41_Lion

Is it just me thats baffled by the painful lack of anti-ship missiles within the US Navy? It seems as though nearly every vessel is configured for land strikes and air defense. And too bad they phased out the TASSM in 1991. <_<


Might have something to do with the 600+ strike aircraft...

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RE: US Navy ASM capabilities - 3/18/2014 2:52:39 AM   
NakedWeasel


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That's kind of oversimplifying the issue. Carriers can't be everywhere. If we truly expect our fleet ships and subs to be multi-role, then they should have built light, medium or heavy weapons and launchers for all four combat roles: AAW, ASW, land strike, AND ASuW. I do mean on all of the combatant vessels- auxiliaries and other support need not apply. I was also in favor of arming the carriers with extensive VLS batteries as well. They could have doubled or tripled the battle group's TLAM capability, freed up some of the VLS tubes in the escorts to be better... escorts, and allowed the carries to be able to defend themselves and their escorts as well. The ships were/are large enough for 4-6 Mk41 VLS arrays around the edge of the flight deck, and wouldn't have impacted flight ops.

At 0300 when there's a major kerfuffle, and the POTUS picks up the phone to send the nearest flattop into harm's way, he should sending an iron fist and a truly deliberate threat with every carrier.

And yeah, I know about the strike capabilities of the bird farm.

Anyway, I agree with the OP- as do many others. The USNs ASM capability is sorely lacking.

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RE: US Navy ASM capabilities - 3/18/2014 3:32:27 AM   
VFA41_Lion


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There's also the new Advanced Gun System with the LRLAP. Not as long range as a missile, but I figure that shell has to be harder to intercept.

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RE: US Navy ASM capabilities - 3/18/2014 4:20:28 AM   
NakedWeasel


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Not in CMANO, vs Russian SAMs. Russia strong!!!!!11

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RE: US Navy ASM capabilities - 3/18/2014 6:30:50 AM   
Dimitris

 

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If the Russian SAMs in question are double-digits it makes sense, since pretty much everything post-1980 was designed with PGMs in mind. If they're older ones then there's an issue.

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RE: US Navy ASM capabilities - 3/18/2014 2:57:33 PM   
Rob322

 

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quote:

ORIGINAL: NakedWeasel

That's kind of oversimplifying the issue. Carriers can't be everywhere. If we truly expect our fleet ships and subs to be multi-role, then they should have built light, medium or heavy weapons and launchers for all four combat roles: AAW, ASW, land strike, AND ASuW. I do mean on all of the combatant vessels- auxiliaries and other support need not apply. I was also in favor of arming the carriers with extensive VLS batteries as well. They could have doubled or tripled the battle group's TLAM capability, freed up some of the VLS tubes in the escorts to be better... escorts, and allowed the carries to be able to defend themselves and their escorts as well. The ships were/are large enough for 4-6 Mk41 VLS arrays around the edge of the flight deck, and wouldn't have impacted flight ops.

At 0300 when there's a major kerfuffle, and the POTUS picks up the phone to send the nearest flattop into harm's way, he should sending an iron fist and a truly deliberate threat with every carrier.

And yeah, I know about the strike capabilities of the bird farm.

Anyway, I agree with the OP- as do many others. The USNs ASM capability is sorely lacking.


That's why, at one point, we had 15 CVs running around. A lot of our doctrine came out of WW2 where the carrier was king and surface battles were regarded as a relict of an old era. Those experiences carried forward into the Cold War and the admirals, many of whom came out of carriers, continued that line of thinking.

Besides, if we'd only paid to run 10 carriers and invested the rest in anti ship missiles then the house rep for Newport News would scream about the job loss in his district. So would all the other reps who might worry that the cut to CVs would mean a corresponding cut to escorts. Heck, if we start down that road who knows where that will lead? The civilians might give that money to the Army, the Air Force or the Marines! So we design a missile, Harpoon, that's at best adequate and that's never so capable that someone questions the need for a large CV force.

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RE: US Navy ASM capabilities - 3/18/2014 5:20:39 PM   
AdmiralSteve


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A recent article that may answer some questions. Near the end of the article were these two paragraphs;

It is because of growing recognition that the Navy may once again find its dominance at sea contested that the service is exploring new weapons such as the LRASM. The weapons would give the Navy’s surface warships a decent punch against other warships that currently is lacking.

However, there is a solid argument to be made that the best way to kill an enemy surface combatant is to leash submarines and aircraft against those threats. Nonetheless, it can’t hurt to have a solid anti-ship capability on board the Navy’s surface fleet.


As I understand after 1991 and the Cold War the inventory of RGM/UGM-109B Tomahawk Anti Ship Missiles (TASM) were converted to "C" variants and the AGM-84H/K SLAM-ER was probably a stop gap until a replacement for the Harpoon was designed.

http://news.usni.org/2013/06/06/u-s-navys-next-bid-for-ship-to-ship-combat

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RE: US Navy ASM capabilities - 3/18/2014 6:56:32 PM   
Sakai007


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Loved that CGI demonstration but can't help think that's a bit optimistic. Three LRASM missiles launched for three hits against two DDG's.

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RE: US Navy ASM capabilities - 3/18/2014 9:26:36 PM   
AlmightyTallest

 

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You can take the advertisement with a grain of salt, but what's advertised to a potential customer is a sea skimmer that is stealthy, both in shape, and coatings with multiple terminal seekers, both Radar and passive thermal that can cruise at medium altitude and skirt around detected radar emissions on it's own to the programmed target, dropping to sea skimming level once it's passively detected the active emissions of it's intended target, all provided by satellite intel. Perhaps the video didn't show an EA-18G providing jamming or MALD decoys, but you can conceivably make these missiles have that kind of survivability if you want to support them on their way to their targets.

If the missile is pretty stealthy, then some point defenses wouldn't pick up on it until much closer in, and the missile being able to pick out the bridge of a ship and maneuver to hit that is a rather frightening prospect, as well the onboard ECM it seems to have that it uses to close with the target.

http://www.youtube.com/watch?v=LvHlW1h_0XQ



< Message edited by AlmightyTallest -- 3/18/2014 10:29:59 PM >

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RE: US Navy ASM capabilities - 3/18/2014 11:08:38 PM   
mikeCK

 

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I have brought this exact point up previously in this forum. Hopefully the navy's new anti-ship missile: the LRASM will be deployed in 2015 but they sure seem to rely on the aged harpoon missile for a long time. I mean, 600+ aircraft is great assuming you have an aircraft carrier but there are destroyers that are deployed by themselves or in task forces that don't have carriers. Plus if you were attacking an enemy task force that has land-based air defense cover you're going to have a hard time using those aircraft. you have to have anti-ship missile capability to attack over the horizon and harpoon is pitiful at this point. The U.S. Navy spent far too much time energy and money investing in land attack capabilities and anti-air defense and forgot about it's true mission clearing the ocean of enemy navies.

I still can't believe that the most powerful navy in the world relies on separately attached box launchers firing an underpowered missile produced in the 1970s that is neither hypersonic nor long ranged. Better hope the long-range anti-ship missile is fielded before anything happens where we need something like that.

In addition what is a submarine supposed to do against a task force? sure you can fire torpedoes which aren't particularly long ranged, take a long time to get to target and can be evaded. Do you seriously expect our small submarine force to take on these task forces with Mark 48 torpedoes while the enemy is conducting anti-submarine warfare operations??? I mean after you fire your first volley of torpedoes you have to turn and run you can't keep firing. how much damage do you expect them to accomplishment with 4-6 torpedoes? Other than that all I have once again our harpoon missiles.

I hate to think what would happened if a task force consisting of a destroyer and several support ships came upon an enemy group and engaged in combat. without an aircraft carrier present and with only one submarine I'm not sure exactly how they would destroy the enemy.... The Navy seems to think that no matter where combat occurs, an aircraft carrier will always be there… We only have 9 to 10 in any given time three or four getting service or in port.

< Message edited by mikeCK -- 3/19/2014 12:15:35 AM >

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RE: US Navy ASM capabilities - 3/18/2014 11:54:19 PM   
NakedWeasel


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Yeah, Mike, it's a big crap sammich and we've been eating it for far too long. At least there is a concept and a possible solution for both a surface (or even subsurface ) -launched anti-ship missile, that may also be air-launched from bombers, as well as a potential lighter weight weight ASM that can be launched from fighters and attack AC. Additionally, and in particular regards to the LRASM- it's based on the JASSM-ER, which is a proven land attack cruise missile. So with a little tweaking and necessary funding, the LRASM and the JSM have the capability to replace the air, surface, and sub-launched Harpoon, and potentially could even replace the Tomahawk LAM with a more effective weapon in the longer term.

It just comes down to brass tacks and follow-through at this point. And sadly it seems that those are two things the Navy has been lacking in too great an amount for far too long.



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RE: US Navy ASM capabilities - 3/19/2014 3:59:24 AM   
AdmiralSteve


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quote:



It just comes down to brass tacks and follow-through at this point. And sadly it seems that those are two things the Navy has been lacking in too great an amount for far too long.



Remember that the US Navy is the "man" in the relationship. The "woman", a.k.a., Congress, has the pocketbook. It would be nice if Congress could find a way to be proactive instead of reactive. The US has way too much experience in ASuW for Congress let this slip since the early 90's with little to nothing in the development chain.

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RE: US Navy ASM capabilities - 3/19/2014 5:24:26 AM   
NakedWeasel


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I am just reminded of the Avenger bomber, and many other projects like it. massive sums of money spent on a functional design, and somehow it gets screwed up before it can reach production. We very often seem to take two steps back, for every single step forward. I fear we may be too late. And losing our way on vital national defense programs could cost lives, or even a war.

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RE: US Navy ASM capabilities - 3/19/2014 2:16:16 PM   
AlmightyTallest

 

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Regarding the LRASM, looks like it's getting fast tracked.

http://www.militaryaerospace.com/articles/2014/03/lrasm-antiship-missile.html

quote:

ARLINGTON, Va., 18 March 2014. A U.S. military research program to develop an advanced anti-ship missile to replace the ageing Harpoon missile is nearing the end of its demonstration phase, and the program to develop and deploy the Long Range Anti-Ship Missile (LRASM) should switch over to the U.S. Navy by early 2016.
Officials of the U.S. Defense Advanced Research Projects Agency (DARPA) in Arlington, Va., announced plans Friday to award a two-year $175 million follow-on contract to the Lockheed Martin Corp. Missiles and Fire Control segment in Orlando, Fla., which has been developing LRASM for the last five years.


That's getting close to a quarter of a billion dollars to develop it further.

quote:

LRASM will rely on on-board targeting systems to acquire the target independently without the presence of prior, precision intelligence, or supporting services like Global Positioning Satellite navigation and data-links. The missile will be designed with advanced counter-countermeasures to evade hostile active defense systems.
The missile is being designed to fire from the Mk 41 Vertical Launch System on Navy surface warships, as well as from the U.S. Air Force B-1B Lancer supersonic bomber, and from the Navy F/A-18E/F Super Hornet carrier-based fighter-bomber. Submarine-launched versions are under consideration.


quote:

The upcoming LRASM follow-on research contract from DARPA will mature LRASM systems and technology. The planned research and development effort will complete the LRASM demonstration program, and has several components.
First, Lockheed Martin will continue developing the LRASM long-range targeting sensor, as well as the long-range sensor algorithms and software for advanced LRASM capability against specific high-priority targets in densely spaced groups of surface ships.
Then company missile experts will work on the LRASM missile-control unit to optimize processor throughput margin and address hardware obsolescence. Lockheed Martin also will refine the LRASM electro-optical terminal target sensor hardware software to demonstrate the missile's ability in poor visibility.
After that, Lockheed Martin engineers will work on missile autonomy, and mature LRASM situational awareness software. Finally, company experts will refine the LRASM's weapon data link to meet U.S. Navy requirements.


quote:

The Lockheed Martin LRASM has a 1,000-pound penetrator and blast-fragmentation warhead, multi-mode sensor, weapon data link, and enhanced digital anti-jam global positioning system to detect and destroy selected surface targets within groups of ships.


quote:

The DARPA LRASM contract is in response to a gap in Navy anti-ship missile technology identified in 2008. The standard Navy anti-ship missile is the subsonic Harpoon, which has been in the inventory since 1977.


Seems like a one weapons fits all package, Suface, submarine, air-launched with a pretty advanced missile going high subsonic.

Thinking more about the RCS of the JASSM and LRASM, look at the photos of it.









This is the current look of the LRASM





That black diamond near the tip is most likely the Thermal IR seeker, sharply angled to reduce RCS, as well as the other lines around it.

Now point that nose directly at you, coming in at 30 feet above the waves, as if you were the ship target. Those sharp angular lines in the front really seem to be set up for deflecting radar away from the central tip of the missile. Even from the side profile, you can see the slant of the fuselage angled from the bottom and narrowing toward the top, if radar hit it from the side aspect, most would probably be deflected skyward in such a situation, not including any RAM materials and other black project hocus pocus they decided to put into it.

And check out the angles on the exhaust to reduce IR signature.

One more photo of the test LRASM being set up with B-1, side profile, very steep angles on the nose section, maximized RCS reduction from the frontal aspect.





Given the world situation recently, I would not be surprised if the testing was accelerated, since the system has some proven components from JASSM-ER.

< Message edited by AlmightyTallest -- 3/19/2014 4:38:58 PM >

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RE: US Navy ASM capabilities - 3/19/2014 3:01:26 PM   
AlmightyTallest

 

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Apologies for the huge photos, I don't know how to resize them.

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RE: US Navy ASM capabilities - 3/19/2014 3:47:00 PM   
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Thanks for the great pics! I agree with your assessment, the weapon looks very stealthy, indeed. The paint scheme would even make it hard to detect visually. Certainly enough innovation here for the Russians and Chinese to sit up and take notice. Expect a Chinese version next week....

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RE: US Navy ASM capabilities - 3/19/2014 3:59:49 PM   
severe7


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Nice photos, it really gives a good perspective on the size of the missile. To bad the supersonic version (B) got cancelled.

I have a question about the USN doctrine of using subs against surface vessels. How fast are subs (generally) compared to surface ships?
My idea of a sub is of it being a slow and silent killer lurking in deep waters, but in a crisis situation could a pack of subs reach a an area as fast as a surface action group?
Are they built to go fast for extended time or just for dashes?



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RE: US Navy ASM capabilities - 3/19/2014 4:10:11 PM   
Primarchx


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Any idea if the LRASM has a 2-way data link?

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RE: US Navy ASM capabilities - 3/19/2014 4:13:11 PM   
NakedWeasel


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Hopefully, this adds to the discussion...

Boeing & Kongsberg Defense Systems Complete Joint Strike Missile Check on F/A-18 Super Hornet



http://www.navyrecognition.com/index.php?option=com_content&task=view&id=1340

These JSM's are quite smallish, considering they are so much more capable than the Harpoon's they'll replace. I definitely think there is a place for a ship and sub launched version of the JSM on smaller vessels. While I am usually a big proponent of VLS, I think they could even allow the JSM's to be launched from the Harpoon launchers for vessels that can't be refitted for VLS.

< Message edited by NakedWeasel -- 3/19/2014 5:17:55 PM >


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RE: US Navy ASM capabilities - 3/19/2014 4:22:54 PM   
AlmightyTallest

 

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quote:

The paint scheme would even make it hard to detect visually. Certainly enough innovation here for the Russians and Chinese to sit up and take notice. Expect a Chinese version next week....


lol, copying these defense projects seems to be the pattern. There's some secrets with the paint scheme, info alludes to it which makes the whole system even more stealthy in the IR and radar regions, visible wavelenth the grey is effective as well in the haze near the ocean surface.

Online public info about the paint publicly is referenced here. https://www.fbo.gov/index?s=opportunity&mode=form&id=2d666c108252bf8f89e628fc2caaf380&tab=core&_cview=1

http://www.f-16.net/forum/viewtopic.php?t=9561
http://evangelidis.gr/embry/F35LO-ShortReport-HTML.htm

quote:

[...] On the F-35 several special materials are used, including Radar Absorbing Materials (RAM), Radar Absorbing Structure and Infrared (IR) Topcoat. Unlike the F-117, which was totally coated with 2,000 pounds of RAM, these materials are more selectively used on the JSF. Lockheed Martin developed paint-type RAM which is applied around the edges of doors and control surfaces. RAS is used on the body, wing and tail edges. For the application of this paint robots will be used, like the CASPER (Computer Aided Spray Paint Expelling Robot) system used for F-22 and the Have Glass II program used for painting 1,700 F-16s with RAM. Robots are essential because they can reach confined areas, as the inlet ducts, and can work without stepping on the aircraft.

These materials comprise ferromagnetic particles, embedded in a high-dielectric-constant polymer base. The dielectric material slows down the wave and the ferromagnetic particles absorb the energy. These coatings are also designed in a way that the small reflection from the front face of the absorber is cancelled by a residual reflection from the structure beneath it. This is not an easy procedure, and it makes RAM design much more tricky than most people believe.

JSF’s entire airframe is also painted with a camouflage topcoat that suppresses IR. [...]



quote:

International Defense Review (January 1, 2004) wrote:
[...] US and European aircraft manufacturers have used specially developed materials to reduce the RCS of basically non-stealthy aircraft for many years. Notable examples include the Have Glass and Have Glass II modifications to the F-16. [...]


quote:

danshistory.com wrote:
Have Glass is the code name for a series of RCS reduction measures for the F-16 fighter. Its primary aspect is the addition of an indium-tin-oxide layer to the gold tinted cockpit canopy. This is reflective to radar frequencies, while it may seem odd, adding a radar reflective coating actually reduces the plane's visibility to radar. An ordinary canopy would let radar signals straight through where they would strike the many edges and corners inside and bounce back strongly to the source, the reflective layer dissipates these signals instead. Overall, Have Glass reduces an F-16's RCS (radar-cross section) by some 15 percent.


Not too much of a stretch to enhance these cruise missiles using special top coats of the types of paint being described above. The U.S. has a lot of experience with stealth materials and coatings.

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RE: US Navy ASM capabilities - 3/19/2014 4:24:26 PM   
AlmightyTallest

 

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I believe LRASM would have the 2 way datalink.

JASSM does as of 2006 apparently: http://www.spacewar.com/reports/LockMart_Develops_JASSM_Cruise_Missile_Weapon_Data_Link.html

quote:

Lockheed Martin received a U.S. Air Force task order totaling more than $32 million for the development of a Weapon Data Link (WDL) capability that will enable the extended-range JASSM system to engage relocatable and time-critical targets. The JASSM air-to-surface standoff missile system is the world's first stealthy conventional cruise missile.
"This WDL capability, in association with the extended range JASSM (JASSM-ER), gains major warfighter benefits," said Fred Schubert, Weapon Data Link program manager, Long Range Missile Systems Group at Eglin Air Force Base, FL. "JASSM-ER provides significant stand-off capability, which is enhanced with the WDL capability that will increase the flexibility of the weapon. Warfighters will have an increased ability to engage relocatable targets and provide time-critical strike."

The WDL will provide the JASSM-ER with two-way, secure, beyond-line-of-sight-communications capability with the Combined Air Operations Center (CAOC). The COAC may send target location updates and changes to the missile while it is in flight. The missile will report its position and status until impact. This communications link will provide the warfighter with an increased capability to engage relocatable and time-critical targets and is a key enabler of a future maritime interdiction capability in the missile.


quote:

The WDL system will use the standardized data link architecture for network-enabled weapons developed by a joint service Weapon Data Link Network (WDLN) Advanced Concept Technology Demonstration (ACTD) program. Lockheed Martin was a key participant in the WDLN ACTD whose primary purpose was to specify, design, implement and demonstrate standardized tactical weapons communications architecture. The JASSM-ER will be the first cruise missile to use the military's standardized data link architecture for network enabled weapons.

The U.S. Air Force and Lockheed Martin successfully demonstrated the WDL capability during flight test demonstrations conducted in November 2005. Lockheed Martin ACTD avionics configured with a beyond-line-of-sight-capable WDL transceiver was installed in a test aircraft. During the demonstration, the test aircraft communicated beyond-line-of-sight, weapon in-flight-tracking data and received retargeting data from a simulated CAOC.

A 2,000-pound class weapon with a dual-mode penetrator and blast fragmentation warhead, JASSM-ER will cruise autonomously in adverse weather, day or night, using a state-of-the-art infrared seeker in addition to the anti-jam GPS to find a specific aimpoint on the target. Its stealthy airframe makes it extremely difficult to defend against. The missile is planned for initial employment on the B-1B aircraft platform. Structural testing confirmed that the JASSM-ER missile design will be compatible with the B-2, B-52 and F-16 aircraft that currently employ JASSM. The extended range cruise missile has a range greater than 500 nautical miles.

source: Lockheed Martin


< Message edited by AlmightyTallest -- 3/19/2014 5:55:13 PM >

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RE: US Navy ASM capabilities - 3/19/2014 4:28:47 PM   
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You know it's actually that "one-size, fits all" thing that worries me- those are the really game-changing, super innovative programs that seem to drag on the longest, and get shut down the most. Obviously those programs are most likely going to cause huge changes in the job market and defense industry as they replace legacy weapons programs that are already in production, or needing upgrades.

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RE: US Navy ASM capabilities - 3/19/2014 4:32:00 PM   
AlmightyTallest

 

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The JSM is another interesting system.



You can see it has facets for the IR window that angle away in the front. It does have some stealthy aspects, other aspects point to more conventional missile designs. I like the idea that it can just home passively with IR, instead of giving any radar emitting ESM warning to it's target.

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RE: US Navy ASM capabilities - 3/19/2014 4:39:19 PM   
AlmightyTallest

 

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quote:

You know it's actually that "one-size, fits all" thing that worries me- those are the really game-changing, super innovative programs that seem to drag on the longest


In a way, your right, just look how far back the JASSM was first conceived to when it was in service. They started working on JASSM in 1995, service date was 2009. With tons of problems, they even thought the project would be cancelled.

The advantage now is that all that testing has created a missile that's reliable, and now to minimize risk, they are simply taking the now proven air frame and weapon parts after all these years, and only adding in some new sensors, ecm, etc. to allow introduction into the fleet sooner. Essentially taking an Air Force project and turning it into a Navy one.

The goal is the same though, stealthy high subsonic missile with capability to destroy moving surface ships vs. moving land targets in a very high threat environment.



< Message edited by AlmightyTallest -- 3/19/2014 5:43:25 PM >

(in reply to AlmightyTallest)
Post #: 26
RE: US Navy ASM capabilities - 3/19/2014 4:50:45 PM   
AlmightyTallest

 

Posts: 279
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Regarding active radar anti-ship missiles I came across this book:

http://books.google.com/books?id=K_T4M-nA6JYC&pg=PA301&lpg=PA301&dq=anti+ship+cruise+missile+with+LPI+radar&source=bl&ots=uPMyJvs6ZB&sig=uvjx5KBU5UfzMvOc1uqD47zbWAM&hl=en&sa=X&ei=l8kpU7WsConA0AHdqYHQCQ&ved=0CCYQ6AEwAA#v=onepage&q=anti%20ship%20cruise%20missile%20with%20LPI%20radar&f=false

Which makes you wonder if the LRASM might have a Low Probability of Intercept radar seeker.

(in reply to AlmightyTallest)
Post #: 27
RE: US Navy ASM capabilities - 3/19/2014 6:01:31 PM   
jdkbph


Posts: 339
Joined: 2/11/2007
From: CT, USA
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quote:

ORIGINAL: severe7

I have a question about the USN doctrine of using subs against surface vessels. How fast are subs (generally) compared to surface ships?
My idea of a sub is of it being a slow and silent killer lurking in deep waters, but in a crisis situation could a pack of subs reach a an area as fast as a surface action group?
Are they built to go fast for extended time or just for dashes?




Well, yes and no. From an operational point of view, the ability of nuclear powered submarines to make long distance, high speed transits from area to area is, in effect, a "force multiplier". It allows the nuclear sub to patrol larger areas, and react to threats over greater distances, than would otherwise be possible with conventional powered subs. However, this capability, as far as I know, is never used tactically.

That means if a boat with no stand off capability is out of position when a target is detected (eg, the target is outside torpedo range, traveling at medium to high speed, and not closing) - there is no practical way for the submarine to engage.

JD

(in reply to severe7)
Post #: 28
RE: US Navy ASM capabilities - 3/19/2014 6:46:07 PM   
severe7


Posts: 78
Joined: 10/14/2013
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quote:

ORIGINAL: jdkbph


quote:

ORIGINAL: severe7

I have a question about the USN doctrine of using subs against surface vessels. How fast are subs (generally) compared to surface ships?
My idea of a sub is of it being a slow and silent killer lurking in deep waters, but in a crisis situation could a pack of subs reach a an area as fast as a surface action group?
Are they built to go fast for extended time or just for dashes?




Well, yes and no. From an operational point of view, the ability of nuclear powered submarines to make long distance, high speed transits from area to area is, in effect, a "force multiplier". It allows the nuclear sub to patrol larger areas, and react to threats over greater distances, than would otherwise be possible with conventional powered subs. However, this capability, as far as I know, is never used tactically.

That means if a boat with no stand off capability is out of position when a target is detected (eg, the target is outside torpedo range, traveling at medium to high speed, and not closing) - there is no practical way for the submarine to engage.

JD


So for submarines the rule is always to "be where it happens and be there first"?

Does anyone know if there has been any feasible ideas about a hybrid ship similar to the aircraft launching subs in WW2? Combining the stealth and endurance of a sub with a long strike range seems like a good idea, especially against enemies with advanced ASW equipment.

(in reply to jdkbph)
Post #: 29
RE: US Navy ASM capabilities - 3/19/2014 6:55:48 PM   
Apocal

 

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Joined: 11/14/2004
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quote:

ORIGINAL: NakedWeasel

That's kind of oversimplifying the issue. Carriers can't be everywhere. If we truly expect our fleet ships and subs to be multi-role, then they should have built light, medium or heavy weapons and launchers for all four combat roles: AAW, ASW, land strike, AND ASuW. I do mean on all of the combatant vessels- auxiliaries and other support need not apply.


Aircraft can't be everywhere, but they can be everywhere we figure we'll need to kill ships. So that's where the development money for anti-ship capability went for the two decades after the cold war, in the form of air-launched Harpoon upgrades into SLAM-ER.

quote:

I was also in favor of arming the carriers with extensive VLS batteries as well. They could have doubled or tripled the battle group's TLAM capability, freed up some of the VLS tubes in the escorts to be better... escorts, and allowed the carries to be able to defend themselves and their escorts as well.


The USN already has more VLS tubes than it has missiles (all types) to fill them.

(in reply to NakedWeasel)
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