13 – 17 February 1951.
Yokosuka for A/Sexercise. (CASEX) The American submarine dived off Tokyo Bay and the T.A.S ratings pinged for it from 0900 to 1600 hours.
HMS CONSTANCE adrift in snowstorm having broken all 2 ½ inch-berthing wires. She subsequently steamed out of harbour and dropped anchor.