In the blacked-out skies of World War II, success often depended on invisible waves of radio energy. Through early radar technology, Allied crews learned to see without sight - striking targets ...

For example, the U.S. Army reportedly blared eerie sounds from speakers during the Vietnam War to affect the morale of enemy ...

During a bombing run, a group of American bombers mistakenly dropped their payload over a populated city, believing they had caused devastating civilian casualties. However, post-mission intelligence ...