Munns graduated with distinction in 1973 from the United States Naval Academy with a bachelor of science degree, majoring in physics.
Munns received a master"s of science in Computer Science from the University of Colorado in 1980. He attended Massachusetts Institute of Technology"s Seminar XXI on Foreign Politics and International Relations from 1993-1994.
Munns held several posts including Commander, United States Submarine Forces (COMNAVSUBFOR) and Commander, Submarine Force Atlantic (COMSUBLANT). Munns served as commander of the United States. submarine force from 2004-2007. Munns served in the following positions: Division Officer, United States Ship Seadragon (Social Security Number-584), November 1974-May 1978 Instructor, Naval Reserve Officers Training Corps Unit University of Colorado, August 1978-December 1980 Engineer, United States Ship Ethan Allen (Social Security Number-608), August 1981-March 1983 Navigator, United States Ship New York City (Social Security Number-696), May 1983-October 1984 Executive Officer, United States Ship Florida (SSBN-728) (Blue), January 1985-January 1987 Commanding Officer, United States Ship Richard B. Russell (Social Security Number-687), April 1990-October 1992 Commander, Submarine Development Squadron Twelve, July 1994-August 1995 Fellow, CNO Strategic Studies Group, September 1995, Commander Submarine Force United States. Pacific Fleet, July 1996-May 1998 Commander Submarine Group Eight.
Commander Submarines, Allied Naval Forces South.
Commander, Submarine Force Sixth Fleet (CTF 69). And Commander, Fleet Ballistic Missile Submarine Force (CTF 164), June 2000 Director, Navy Marine Corps Intranet (NMCI) Commander, United States Submarine Forces, 2004-2007.
