San Francisco Naval Shipyard
"Brill" continued training exercises around Hawaii with Submarine Squadron 5 until 4 September 1947 when she departed for San Diego. She commenced overhaul at San Francisco Naval Shipyard 29 September and departed 24 February 1948 for New London, Conn., where she arrived 16 March 1948. "Brill" was decommissioned 23 May 1948.