- Period:
- Second World War (1939-1945)
- Rank:
- Temporary Lieutenant
- Unit:
- H.M.S. ML 447 (ML 447), Royal Navy
- Awarded on:
- May 21st, 1942
- Awarded for:
- Operation Chariot
Citation:
"For great gallantry in command of a Motor Launch Flotilla. In the face of steady fire at point blank range, and bombardment by grenades from the jetty above, Lieutenant Platt tried to run his craft alongside, and when ten feet from the jetty, it became a blazing wreck, he did all he could, under heavy fire, to save survivors."