Similar to 伊号第百二十一潜水艦

Japanese submarine Ha-202

Japanese submarine Ha-203

Japanese submarine Ha-205

Japanese submarine Ha-207

Japanese submarine Ha-208

Italian submarine Luigi Torelli

Japanese submarine Ro-50

Japanese submarine Ro-57

Japanese submarine Ro-58

Japanese submarine Ro-59

Japanese submarine Ro-60

Japanese submarine Ro-62

Japanese submarine Ro-63

Japanese submarine Ro-68

German submarine U-511

Japanese submarine I-6

Japanese submarine I-12

Japanese submarine I-123

Japanese submarine I-124

Japanese submarine I-177