Events
On This Day - March 16
| 1918 | R 11 | Launched |
| 1918 | L 12 | Launched |
| 1934 | Sealion (N 72) | Launched |
| 1942 | Unbeaten (N 93) | HMS Unbeaten fires four torpedoes against the Italian merchant Vettor Pisani off Cape Buzzano, Calabria, Italy. All torpedoes miss. |
| 1945 | Torbay (N 79) | HMS Torbay damages a Japanese coaster with gunfire of the west coast of Siam. |
| 1945 | Thrasher (N 37) | HMS Thrasher sinks a Japanese sailing vessel with gunfire of the west coast of Burma. |
| 1945 | Scorcher (P 258) | Completed |
| 1948 | Andrew (P 423) | Completed |
| 1955 | Ambush (P 418) | Joined the newly formed 6th Submarine Flotilla based at Halifax, Nova Scotia. |
| 1972 | Superb (S 109) | Laid Down |
