USS Narwhal, the lead ship of her class of submarine and one of the "V-boats", was the second ship of the United States Navy to be named for the narwhal. She was named V-5 when her keel was laid down
USS Narwhal (SS-167) at sea, 1931
V-5 a.k.a. USS Narwhal under construction at Portsmouth Naval Shipyard, 1927
A Momsen lung in use during training – USS V-5 (SC 1) crewman A. L. Rosenkotter exits the submarine's escape hatch wearing the "Momsen Lung" emergency escape breathing device during the submarine's sea trials in July 1930. The emergency breathing device was named for its inventor, U.S. Navy submarine rescue pioneer Cdr. Charles "Swede" Momsen. The submarine V-5 was later renamed USS Narwhal (SS 167).
USS Luzon, damaged while serving under Japanese command by USS Narwhal
The 6"/53 caliber gun formed the main battery of some United States Navy light cruisers and three US submarines built during the 1920s.
USS Narwhal (SS-167)
…deck stowage) (four external tubes {two each bow and stern, four torpedoes} were added 1942-3; provision for 8–12 additional torpedoes externally) 2 × 6-inch (152 mm)/53 caliber guns Mark XII Mod. 2 wet type deck guns USS Narwhal (SS-167), the lead ship of her class of submarine and one of the "V-boats", was the second ship of the…
Forward Mark 16 turret aboard USS Cincinnati (CL-6).