apbarog
Posts: 3769
Joined: 5/23/2002 Status: offline
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The key to the Allied sub war in this game was not the subs themselves, but the submarine bases being used. In '42, my sub bases were Luganville and Townsville. Subs patrolled mainly around Truk, mostly between Truk and to the south. Since this area was hot at the time, with KB spending a significant amount of time around Rabaul, subs were also placed south of Rabaul, and also west and northwest of Rabaul. So my subs were used more tactically, as a barrier to further expansion, much as Walker did later in the war. Results were mixed. Walker didn't move south after I landed at Milne Bay. My efforts against interdicting ships into and out of Truk were poor. Bad torpedoes didn't help. One major unexpected success was sinking of a fleet carrier (I think Kaga) southeast of Truk. I got 4 torpedoes to hit and all worked, and this was still with the torpedo dud penalty. Once Darwin was taken, it became the center of activity, including becoming the major sub base. From Darwin, subs started to cruise the South China Sea, but the distance was far, and the patrol time was short. Results were starting to trickle in. It was nice to start seeing the big tanker convoys, but not many were hit then. Other spots were patrolled, like around Balikpapan and Palembang. Walker had a major ASW effort at all times around Palembang, and it kept me away. A few attempts at mining the approaches all failed. I lost 8 Dutch subs, 2 US "S" subs, and 4 US fleet subs. I generally stayed away from shallow water, but went there just enough to show that I would. Dutch subs were in shallow water more often. I think over half of my subs lost were in shallow water. I don't think I was overly cautious with the subs. No more so than my caution with any of my ships. The major factors for sub effectiveness later rather than earlier were torpedo effectiveness and proximity to submarine bases, allowing for longer patrol times. I didn't make a conscious trade off to minimize sub losses at the cost of tonnage sunk. By the end, I had at 40 or 50 subs in the South China Sea. All were bases at Balikpapan, and had independent patrol routes. Shallow waters were covered also. I didn't change my patrol routes when tankers were sighted. I had so many subs going every which direction, so I knew that I'd get them from time to time. Having a close sub base is war winning, in my opinion. I think that I could have sank most of the enemy tankers by mid 1944. Invasions were needed, but Japan was going to be crippled. Thanks for the discussion Macclan5. I'd like to fully debrief the game with Walker and readers. Lots of AARs end when the game ends. There's more to be learned here, by me, Walker, and the readers.
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