Ejection Seat
This photograph shows a test for an ejector seat that is now commonplace in military vehicles and jet fighters. During the 20th century, many technological and scientific advancements were made secretly for national security and defense.
Tsar Bomba
The Tsar Bomba was a thermonuclear aerial bomb that was the most powerful nuclear weapon ever created. The project was overseen by Soviet physicist Andrei Sakharov and was ordered by Nikita Khrushchev in 1961. It was tested in October of that year in Mityushikha Bay.