You know what's pretty American? SWORD FISH! We don't know either but still great.
Taser: The same could be said for the Taser, which you can expect to see a lot of in a post-apocalyptic hellscape, at least as long as they can stay juiced up.
Surcouf – Between the years 1934 and 1943, the French Surcouf was the largest submarine in existence.
Japanese I -7 Aircraft carrier submarine, that's right the Japanese made an aircraft carrier submarine.
Henry Arms AR-7: The Henry Arms AR-7 was expressly designed as a survival weapon. Waterproof and durable, this gun will actually float when it's taken apart and stored in the stock
Tactical Pen: People might make fun of your tactical pen now, but after they’ve all died in the apocalypse you’ll have the last laugh, and the last sharp blade..
Kaiten – “Kaiten” is Japanese for “Return to Heaven,” but a slightly more accurate name would be “manned torpedo.”
Swiss Army Knife: With a classic Swiss Army Knife than someone who’s trying to fend off looters and mutant killers with their bare hands.
Glock 19: Stick a Glock 19 in your waistband or even one of those spring-loaded wrist-holster things from Taxi Driver and you’ll be the deadliest warrior on what used to be your block.