A 1948 UFO event in Washington, DC, may have featured an aircraft resembling the famous "Tic Tac" observed by Carrier Strike Group 11 in 2004.
In 1945, a Russian spy needed to take a piss, and as a result, discovered the plans to a Nazi spaceplane designed to blow up New York City.
The rocket vertical take-off Natter convinced the Allies that the Nazis broke the laws of physics towards the end of World War II.
“Couldn’t millions of bats be fitted with incendiary bombs and dropped from planes?" With those typed words, the US developed the "Bat Bomb."
During World War II, the Nazis built the largest-caliber rifled weapon ever used in combat: the Schwerer Gustav railway gun. It was a pain in the ass.