Submarines

P class

5 ships

The P class submarine HMS Proteus.

Type	Submarine
Displacement	1475 / 2040 BRT
Length	290 feet
Complement	6 officers + 47 men
Armament	1 4" gun 2 MG AA 8 21" torpedo tubes (6 bow, 2 stern)
Max speed	17.5 / 9 knots (surfaced/submerged)
Engines	Diesel / Electric, 2 shafts
Power	4400 / 1320 HP (surfaced/submerged)
Notes on class	This class was very similar to the earlier O class but were slightly longer. They had a raked stem (bows) and a shield was provided for the 4" gun. A sixth ship, HMS Poseidon, was sunk in a collision with the Merchant Yuta, 20 miles north of Wei Hai Wei, China on 9 June 1931.

All ships of the P class:

Royal Navy (more on Royal Navy)

HMS Pandora (N 42) (lost 1 Apr 1942)
HMS Parthian (N 75) (lost 11 Aug 1943)
HMS Perseus (i) (N 36) (lost 6 Dec 1941)
HMS Phoenix (N 96) (lost 16 Jul 1940)
HMS Proteus (N 29)

4 submarines of the P class lost.

Bacalao
McDaniel, J.T.

Books dealing with this subject include:

Abandon Ship!, Newcomb, Richard F., 2000
Above Us the Waves, Warren, C.E.T. and Benson, James, 1971 (transl.)
Advance Force - Pearl Harbor, Burlingame, Burl, 2002
Aircraft Versus Submarine, Price, Alfred, 1980 (transl.)
Allied Submarines, Watts, Anthony J., 1977
American Submarine War Patrol Reports: U.S.S. Wahoo (SS-238), McDaniel, J.T. (editor), 2003
American Submarines, Lenton, H.T., 1973
Assault on a Queen, Finney, Jack, 1959
Axis Submarines, Watts, Anthony J., 1977
Bacalao, McDaniel, J.T., 2004
Back from the Deep, LaVO, Carl, 1998
Baltic Assignment, Wilson, Michael, 1985
Battle of the Atlantic, Nesbit, Roy C., 2002
The Battle of the Atlantic and Signals Intelligence, Syrett, David, 1999
Between Human and Machine, David A. Mindell, 2002