sentences:  Following flight training and submarine instruction, he served in submarine USS S-29 and studied marine engineering at the University of California.After serving in and , he assumed command of 15 February 1941.Appointed Lieutenant Commander 2 January 1942, Pierce on 22 June took command of , a transport submarine, which participated with "Nautilus" in carrying out the famed, diversionary Makin Raid from 17 to 19 August.