Commissioned Second lieutenant United States Army, 1936, advanced through grades to Lieutenant general, 1966. Served S. and S.W. Pacific, 1942-1945. Executive officer Manhattan Project, 1946-1947.
Army engineer-in-charge Arkansas-White-Red River Basin study project, Tulsa, 1950-1952. Officer-in-charge Joint Army-Atomic Energy Commission Nuclear Power Program, 1952-1957. Deputy chief United States Military Assistance Advisory Group, Vietnam, 1958-1960.
Director military construction Office Chief Army Engineers, 1961-1963. Superintendent United States Military Academy, 1963-1966. Deputy assistant secretary defense (manpower), 1966-1969.
United States high commissioner Ryukyu Islands, commanding general United States Army, Ryukyu Islands, 1969-1972. Retired, 1972; vice president resource development Massachusetts Institute Technology, 1972-1978, director Fairchild Camera & Instrument Corporation.