HMS Vox explained

Two submarines of the Royal Navy have borne the name HMS Vox, after the Latin for Voice:

• HMS Vox (P67), a British U-class submarine launched in 1943, that upon completion was transferred to the Free French Navy as the . She was returned to the Royal Navy in 1946, and scrapped in 1949.
• - a British V-class submarine launched in 1943 and scrapped in 1946.