It's been 50 years since the last US helicopters left Saigon. What have we learned?

A war tank is an impressive military machine, capable of moving tons of steel, heavy weaponry, and a crew, all while being protected by strong armor to withstand enemy attacks. But how does it ...

On January 27, 1973, the Paris Peace Accords, which ended the Vietnam War, was signed. However, on February 5, 1973, the ...