05 JUN 1946 - 8 AUG 1946—Commissioned Ensign, USN. Routine post-USNA graduation assignments- indoctrinational training with service type aircraft - leave and transit to first duty station.
8 AUG 1946 - 23 JUL 1947—Duty aboard USS Wyoming (E-AG17). Billets Held: Deck Division Officer, Radar Officer, CIC Officer Qualifications: OOD in Port, JOOD underway. Remarks: Detached from Wyoming at ship’s decommissioning.
23 JUL 1947 - 14 JUN 1948—Duty aboard USS Mississippi (E-AG128). Billets Held: Training and Education Officer Qualifications: OOD underway and in port, CIC watch Officer Remarks: During this tour of duty, Carter was a candidate for a Rhodes Scholarship.
14 JUN 1948 - 17 DEC 1948—Duty under instruction at the Officer’s course, USN Submarine School, Submarine Base, New London
17? DEC 1948 - 01 FEB 1951—Duty aboard USS Pomfret (SS-391) Billets Held: Communications Officer, Electronics Officer, Sonar Officer, Gunnery Officer, First Lieutenant, Electrical Officer, Supply Officer Qualifications: 4 Feb 1950 Qualified in Submarine
05 JUNE 1949—Promoted to Lieutenant (j.g.)
01 FEB 1951 - 10 NOV 1951—Duty with Shipbuilding and Naval Inspector of Ordnance, Groton, CT as prospective Engineering Officer of the USS K-1 during precommissioning fitting out of the submarine.
10 NOV 1951 - 16 OCT 1952—Duty aboard USS K-1(SSK-1) Billets Held: Executive Officer, Engineering Officer, Operations Officer, Gunnery Officer, Electronics Repair Officer Qualifications: Qualified for Command of Submarine Remarks: Submarine was new construction, first vessel of its class
01 JUNE 1952—Promoted to Lieutenant
16 OCT 1952 - 08 OCT 1953—Duty with US Atomic Energy Commission (Division of Reactor Development, Schenectady Operations Office) From 3 NOV 1952 to 1 MAR 1953 he served on temporary duty with Naval Reactors Branch, US Atomic Energy Commission, Washington, D.C. “assisting in the design and development of nuclear propulsion plants for naval vessels.” From 1 MAR 1953 to 8 OCT 1953 he was under instruction to become an engineering officer for a nuclear power plant. He also assisted in setting up on-the-job training for the enlisted men being instructed in nuclear propulsion for the USS Seawolf (SSN575).
9 OCT 1953—Honorably discharged at Headquarters, 3rd Naval District. Discharge was at Carter’s request. Total service: 7 years, 4 months, 8 days
10 OCT 1953—Appointed to US Naval Reserve and placed on inactive duty.
7 DEC 1961—Transferred to retired reserve with rank of Lieutenant at his own request, but without pay and allowances in accordance with Title X, U.S.C. section 1376 (a).