On Eternal Patrol - Submarine Losses Prior to WWII

On Eternal Patrol - Submarines that Sustained Losses

Prior to World War II

USS F-1 (SS-20)

The following American submarines and sustained the loss of at least one man prior to World War II. In addition, one submarine (USS S-5) on this list did not suffer the loss of any man, but is included because of the loss of the vessel itself. Vessels listed in bold type were lost. Although decommissioned at the time of her loss, USS G-2 (SS-27) is included because of the loss of life.

Please view the "Additional Losses - Pre-WWII" page for listings of men were lost while serving on vessels that were not sunk.

	Name & Hull Number of Submarine	Total Number of Men Lost
1	A-3 (SS-4) (ex-Grampus)	2 (in separate events)
2	A-7 (SS-8) (ex-Porpoise)	6
3	C-4 (SS-15) (ex-Bonita)	1
4	E-1 (SS-24) (ex-Skipjack)	1 (unverified)
5	E-2 (SS-25) (ex-Sturgeon)	5
6	F-1 (SS-20) (ex-Barracuda)	21 (two men lost in non-sinking event)
7	F-4 (SS-23) (ex-Skate)	21
8	G-2 (SS-27) (ex-Tuna)	3
9	H-1 (SS-28) (ex-Seawolf)	4
10	L-3 (SS-42)	1
11	L-9 (SS-49)	1 (unverified)
12	L-10 (SS-50)	1
13	Nautilus (SS-168)	1
14	O-5 (SS-66)	6 (three men lost in non-sinking event)
15	O-9 (SS-70)	35 (one man lost in non-sinking event)
16	O-12 (SS-73)	1
17	O-15 (SS-76)	1
18	R-6 (SS-83)	2
19	R-15 (SS-92)	1
20	R-23 (SS-100)	1
21	S-2 (SS-106)	1
22	S-4 (SS-109)	40
23	S-5 (SS-110)	0 (no men lost)
24	S-10 (SS-115)	1
25	S-11 (SS-116)	1
26	S-14 (SS-119)	1
27	S-15 (SS-120)	1
28	S-24 (SS-129)	1
29	S-31 (SS-136)	1
30	S-34 (SS-139)	1
31	S-37 (SS-142)	3 (unverified)
32	S-40 (SS-145)	1
33	S-49 (SS-160)	4
34	S-51 (SS-162)	33
35	Squalus (SS-192) (later Sailfish)	26 (vessel sank, but was later raised and returned to service)
36	T-2 (SS-60) (ex-AA-2)	1 (unverified)
	Other*	1

*American submariner who was lost aboard a British Submarine.

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