Visit the "Lost 52 Project" for more information on the project to locate these 52 WWII boats:
http://www.lost52project.org/index.html
January Lost Boats
USS Scorpion (SS-278)
January 5, 1944
77 men lost
USS Argonaut (SS-166)
January 10, 1943
102 men lost
USS Swordfish (SS-193)
January 12, 1945
89 men lost
USS S-36 (SS-141)
January 20, 1942
No loss of life
USS S-26 (SS-131)
January 24, 1942
46 men lost
February Lost Boats
USS Barbel (SS-316)
February 4, 1945
81 men lost
USS Shark I (SS-174)
February 11, 1942
59 men lost
USS Amberjack (SS-219)
February 16, 1943
72 men lost
USS Grayback (SS-208)
February 27, 1944
80 men lost
USS Trout (SS-202)
February 29, 1944
79 men lost
March Lost Boats
USS Perch (SS-176)
March 3, 1942
No loss of life
USS Grampus (SS-207)
March 5, 1943
72 men lost
USS H-1 (SS-28)
March 12, 1920
4 men lost
USS Triton (SS-201)
March 15, 1943
74 men lost
USS Kete (SS-369)
March 20, 1945
87 men lost
USS F-4 (SS-23)
March 25, 1915
21 men lost
USS Tullibee (SS-284)
March 26, 1944
79 men lost
USS Trigger (SS-237)
March 26, 1945
91 men lost
USS Pickerel (SS-177)
April 3, 1943
74 men lost
USS Snook (SS-279)
April 8, 1945
84 men lost
USS Thresher (SSN-593)
April 10, 1963
129 men lost
USS Gudgeon (SS-211)
April 18, 1944
79 men lost
USS Grenadier ((SS-210)
April 22, 1943
No loss of life
May Lost Boats
USS Lagarto (SS-371)
May 3, 1945
86 men lost
USS Scorpion (SSN-589)
May 22, 1968
99 men lost
USS Squalus (SS-192)
May 23, 1939
26 men lost
USS Stickleback (SS-415)
May 30, 1958
No loss of life
June Lost Boats
USS Herring (SS-233)
June 1, 1944
83 men lost
USS R-12 (SS-89)
June 12, 1943
42 men lost
USS Golet (SS-361)
June 14, 1944
82 men lost
USS S-27 (SS-132)
June 19, 1942
No men lost
USS Bonefish (SS-223)
June 19, 1945
85 men lost
USS O-9 (SS-70)
June 20, 1942
34 men lost
USS Runner (SS-275)
June 26, 1943
78 men lost
USS S-28 (SS-133)
July 4, 1944
49 men lost
USS Robalo (SS-273)
July 26, 1944
81 men lost
USS Grunion (SS-216)
July 30, 1942
70 men lost
August Lost Boats
USS Bullhead (SS-332)
August 6, 1945
84 men lost
USS Flier (SS-250)
August 13, 1944
78 men lost
USS S-39 (SS-144)
August 14, 1942
No men lost
USS Harder (SS-257)
August 24, 1944
79 men lost
USS Cochino (SS-345)
August 26, 1949
No men lost
USS Pompano (SS-181)
August 29, 1943
77 men Lost
September Lost Boats
USS S-5 (SS-110)
September 1, 1920
No men lost
USS Grayling (SS-209)
September 9, 1943
76 men lost
USS S-51 (SS-162)
September 25, 1925
33 men lost
USS Cisco (SS-290)
September 28, 1943
76 men lost
October Lost Boats
USS Seawolf (SS-197)
October 3, 1944
83 men lost
USS S-44 (SS-155)
October 7, 1943
56 men lost
USS Wahoo (SS-238)
October 11, 1943
80 men lost
USS Dorado (SS-248)
October 12, 1943
77 men lost
USS Escolar (SS-294)
October 17, 1944
82 men lost
November Lost Boats
USS Albacore (SS-218)
November 7, 1944
85 men lost
USS Growler (SS-215)
November 8, 1944
86 men lost.
USS Corvina (SS-226)
November 16, 1943
82 men lost.
USS Scamp (SS-277)
November 16, 1944
83 men lost.
USS Sculpin (SS-191)
November 19, 1943
43 men lost
December Lost Boats
USS Capelin (SS-289)
December 2, 1943
76 men lost
USS Sealion (SS-195)
December 10, 1941
5 men lost
USS F-1/Carp (SS-20)
December 17, 1917
19 men lost
USS S-4 (SS-109)
December 17, 1927
34 men lost