After the war, Felt was assigned to the Office of the Chief of Naval Operations before attending the National War College from 1947 to 1948.
He was Commander Carrier Division 15 in 1953-54, practicing anti-submarine warfare from the escort carrier Rendova; Commander Carrier Division Three in the spring of 1954, operating attack carriers Essex and Philippine Sea in the South China Sea; and assistant chief of naval operations (fleet readiness) from 1954 to 1956 [REF].