在敌潜艇发动攻击前派侦察机发现其行踪
-------------美国战役-------------
1-Battle of the eastern solomons
Sink every japan ships in the area
击沉区域内的所有日本舰船
2-Battle of Kape Esperance
Eliminate the southern escaping convoy
歼灭南方溃退的舰队
3-Battle of Santa Cruz
Sink a BB from the Vanguard Force
击沉 Vanguard 舰队中的一艘 BB
4-Defence of Hederson field
Elliminate the DDS Ikachuki and Inazuma
歼灭驱逐舰 Ikachuki 和 Inazuma
5-1st Battle of Guadalcanal
Sink Hiei within x minutes
若干分钟内击沉 Hiei(具体时间区别于难度等级)
6-2nd Battle of Guadalcanal
unknown
2号岛上有 3 个机库,歼灭所有飞机完成任务
7-Invasion of Tarawa
All AA guns destroyed
摧毁所有 AA
8-Battle of Phillipines
Win without losing the submarine
不损失潜艇赢得胜利
9-Devine Winds of Leyte
Destroy all fortresses
消灭所有堡垒
10-Battle of Cape Engano
Destroying the convoy
歼灭舰队
11-Sub on Patrol
Steal the recon plane
盗取一架日军侦察机
12-Air raid against Indochina
Sink the convoy before it can escape
在舰队逃掉前击沉
13-Invading Iwo Jima
Protect All transport ships
保护所有运输舰
14-Battle of Okinawa
Prevent Yamato reaching the shore
阻止 Yamato 靠近海岸