 He went on to command a minesweeper, USS Prime (MSO-466), , the guided missile destroyer USS Semmes (DDG-18), the guided missile cruiser USS England (CG-22) (1980–1982),

Mauz served as commander of the United States Seventh Fleet from 1988 to 1990, and in August 1990 assumed command of all U.S.Naval forces in the Persian Gulf.Mauz retired from active duty in 1994 as Commander-in-Chief, U.S. Atlantic Fleet.