Summary . In the primary 4 months in the war, the 27 subs that comprised the Asiatic fleet sank only 10 ships. Most skippers were replaced with extra agressive Gentlemen. Yet difficulties continued. On 1 August 1942, BuOrd lastly conceded the Mark fourteen ran deep. On nine April 1943 "Tunny (SS-282) found herelf in a super place to assault aircraf