U.S. Navy Submarines
Naval Submarine League
NSSC Pearl Harbor
Arctic Submarine Laboratory
The Naval Submarine Medical Research Laboratory (NSMRL)
Naval Undersea Warfare Center
United States Submarine Veterans, Inc.
United States Submarine Veterans of WWII
Cold War Submarine Memorial Foundation
Commander, Submarine Forces
Undersea Warfare Magazine
Commander, Undersea Surveillance
Submarines Forces Pacific
U.S. Navy Factfiles
Ballistic Missile Submarine (SSBN)
Los Angeles (SSN 688) class submarine
MK48 torpedoes
Seawolf (SSN 21) and christening