#USSEngland #ww2history #navalwarfare In May 1942, Allied shipping was being decimated by U-boats, and traditional depth charges were failing with a success rate of less than two percent. Enter the Hedgehog weapon—a revolutionary, forward-firing anti-submarine mortar designed by an eccentric Roya
38:40
18:59
47:14
31:16
43:57
87:11
27:48
51:45
36:31
41:21
35:14
47:32
52:01
40:59
46:14
19:51
40:10
35:47
43:27
34:06