HMS M3 [SEP] manufacturer
HMS M3
HMS "M3", built by Armstrong Whitworth, Newcastle Upon Tyne was an M class submarine of the Royal Navy.
"M3" was ordered from Armstrong Whitworth on 28 July 1916 and laid down at Elswick in December as an M-class submarine, but was referred to as "K20". She was launched on 19 October 1919, and commissioned as "M3" on 16 March 1920. After completion of trials on 17 August, she was placed in reserve.
Service.
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personnel carrier
- M3 Scout Car, an American armored vehicle
- M3 Stuart, an American light tank
- HSwMS M3, a Swedish Navy mine sweeper (1940–1955)
- HMS "M3", Royal Navy Minelayer Submarine
Music.
- Major third (M3), a type of musical interval
- Major thirds tuning (M3 tuning), a regular tuning with major-third intervals between successive strings
- Minor third (m3), a type of musical interval
- "M3"