From this biography (http://usna.com/News_Pubs/Publications/Shipmate/2003/03/Spring2003BOTBios/Trost.htm).

Admiral Carlisle A. H. Trost, USN retired from active naval service on 1 July 1990, following completion of a four-year term as the Navy’s 23rd Chief of Naval Operations and a member of the Joint Chiefs of Staff.

He graduated first in his U.S. Naval Academy Class of 1953 and was commissioned as Ensign in the U.S. Navy. During his more than 37 years of commissioned service, Admiral Trost served at sea in destroyers and diesel-powered and nuclear submarines, including tours as executive officer of two nuclear-powered submarines and as commanding officer of a Fleet Ballistic Missile submarine. Subsequent to selection to Flag Rank in 1973, he commanded Submarine Flotilla One/Submarine Group FIVE. Later operational assignments included deputy commander, U.S. Pacific Fleet; commander, Seventh Fleet; commander-in-chief, U.S. Atlantic Fleet, and deputy commander, U.S. Atlantic Command. Ashore. He served as military assistant to the Deputy Secretary of Defense, executive assistant to the Secretary of the Navy, and on the Navy Staff as director, Systems Analysis Division, assistant chief of Naval Personnel and Director, Navy Program Planning.

Admiral Trost’s decorations and awards include seven Distinguished Service Medals (two DOD, three Navy, one Army, one Air Force), the Legion of Merit (three awards), the Navy Achievement Medal, numerous campaign and service awards, and personal decorations from a number of foreign nations.

Since his retirement from the Navy, Admiral Trost has served on the boards of directors of a number of U.S. corporations and has been active in Naval Academy and Alumni Association activities.