mdiehl
Posts: 5998
Joined: 10/21/2000 Status: offline
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[QUOTE]Except for repair facilities (limited yes but much closer than the West Coast), command and control, air bases (used as a staging area for long range AC), training facilities and sub bases.[/QUOTE] That is true, but all of these facilities are, if anything, even less vulnerable to air attack than the oil storage tanks. "Command and control" amounts to personnel and electronics and office equipment. Unless Japan invades the island, they're not going to be effective in eliminating or substantially reducing these assets. "Air bases" are buildings, fuel facilities and ground equipment: all easily replaced in a fortnight. With respect to air bases Japan historically hit the most vulnerable target and the most difficult one to replace: aircraft. Runway damage is the sort of thing that US can fix in a few hours or less. US submarine "bases" were tenders and machine shops. The tenders could have been attacked but these were, again, easily replaced. The most effective thing that Japan could have done to the submarines would have been to determine, if they could, where the torpedoes were stored and blow those up. Kido Butai would have been much less likely to achieve this than a well planned saboteur effort. Machine shops, and the other "repair facilities" that you mention are also easily replaced and in any case not vulnerable to the, frankly, low intensity raid that Kido Butai could muster on its best day. For an understanding of how difficult it is to knock out a machine shop or repair facility for a long time, consider the effort that USAAF 8th AF devoted to assaulting the Me and ball bearing facilities. More tonnage dropped squarely on some of these factories by B17s in single raids than all the planes in Kido Butai could drop if they exhausted all the stores on their CVs. The US in 1941 did not maintain substantial training facilities in PH, and of those in and around Oahu, even if all had been shut down and never reopened it would not have affected US training schedules in the slightest. [QUOTE]Any changes in the disposition of major US fleet elements would require Japan to re-think their initial moves.[/QUOTE] Assuming that they knew about such changes, quite so. Similarly, any changes in Japanese disposition of forces preparatory to different (ahistorical) initial moves might be countered by different deployments of US assets, fleet-wise and otherwise. [QUOTE]Japan was well aware of the location of the US Fleet units. [/QUOTE] Japan was not well aware of the locations of US fleet units. They assumed they knew where the US CVs were, and they were wrong. Considering that the CVs were the highest priority target, despite all the success against parked battleships, the raid achieved much less than Jpns op planners had hoped. Japan was well aware of the layout of PH. It's easy to be correct about which berth will be occupied by, for ex, USS California, because that berth was California's permanent station. Japan could not know, [I]a priori[/I], that California would be in that berth on 7 Dec, because the possibility existed that CA would be at sea at the time of the strike, just as the US CVs were. [QUOTE]They missed the CV because they moved just before the attack.[/QUOTE] Japan missed three CVs that were not in harbor where Jpn expected them to be. They did not know where these CVs were, and did not know where they were going. This observation is one of the reasons why I think folks who play monday morning quarterback to Nagumo, arguing that Nagumo should have launched a third wave of strikes, really don't have any knowledge of carrier warfare or of strategic logistics. A third wave could have achieved no significant additional strategic damage at PH, and would have left Kido Butai vulnerable to a potential flanking attack from up to three US CVs. There is an old AH game, [I]Victory in the Pacific.[/I] It has varied starting positions for the US CVs. The game appeals to Axis fanboys because often the US CVs are more vulnerable than they historically were. Sometimes, however, it happens that the two or three US CVs are together and location unknown. Then the Axis fanboys whine and simper because, whilst they pound PacFleet in PH, 2-3US CVs worth of aircraft sink four or five Jpns carriers. A disaster from the outset. This, however, is a highly realistic version of alt history, and its possibility gives more credibility to Nagumo's decision to leave than to any other course of action. A surprise attack from even one US CV might well sink three Japanese CVs. The US would probably then lose the 1 CV to a counter strike, but those sorts of trades are trades that the US can afford to make.
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Show me a fellow who rejects statistical analysis a priori and I'll show you a fellow who has no knowledge of statistics. Didn't we have this conversation already?
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