Rear Admiral Dillingham was born in Lowell, Massachusetts on March 5, 1931. In 1953, after graduation from Harvard College,
where he received his AB degree in Physical Sciences, he entered the Navy Officer Candidate Program at Newport, Rhode Island, and was commissioned Ensign, United States Naval Reserve in November 1953. He was augmented into the Regular Navy in 1958.
After his initial tour in Guam, Marianas Islands, where he served as Communications Watch Officer, Communications Officer and Administrative Officer, Rear Admiral Dillingham attended the Russian Language Division of the Naval Intelligence School in Washington, D.C. His major operational tours have included duty in Bremerhaven, Germany and Nicosia, Cyprus. He has also served as Naval Security Group Department Head and Executive Officer at the U.S. Naval Communications Station, Spain. His major command tour was as Commanding Officer, U.S. Naval Security Group Activity, Misawa, Japan. Staff assignments have included a tour as Political/Economic Intelligence Analyst on the Staff, Commander-in-Chief, U.S. Naval Forces Europe, in London, England, two tours in the Special Operations Department Staff, Commander Naval Security Group Command in Washington, D.C., and Deputy Assistant Chief of Staff for Cryptology, Staff, Commander-in-Chief Atlantic Fleet/ Deputy Director, Naval Security Group Atlantic in Norfolk, Virginia.
Rear Admiral Dillingham’s advanced education includes degrees from the Naval Postgraduate School in Engineering Electronics, The George Washington University in Engineering Administration and the University of Rhode Island in Marine Affairs. He is a 1974 Distinguished Graduate of the senior officers’ Naval Warfare Course, Naval War College, Newport, Rhode Island.
Rear Admiral Dillingham was promoted to flag rank on August 7, 1979 and served as Chief, Operations and Requirements Group, National Security Agency. He served as Commander, Naval Security Group Command from 1980 until 1983 and as Deputy Director for Plans and Policy, National Security Agency until his retirement on April 1, 1984.
After retirement, Rear Admiral Dillingham joined Cray Research, Inc. as a corporate Vice President for Special Systems. In 1986 he assumed responsibility for world-wide Government Marketing and opened a Washington, D.C. office. He retired from Cray Research in 2000 and now resides with his wife in Rock Hall, Maryland.
Back Row: Don Lubach; Don Cox (USMC); ?; ?; ?; John Wood; Stan Kuplinsk; Jim Perkins; Roy Parr.
Middle Row: Bob Coover; Unk (USMC); P.W. Dillingham (later RADM); Bill Shepherd; Carl Pepillion; Don Lester; Gary Matthews; ?.
Front Row: Russ Trusso; Eleanor Holman (w); Don Gillespie; Michael B. Gillsepie (CO); Chester Phillips (later RADM); Tony Ethier.
Source: Echoes of our Past