On August 6, 1945, the B-29 Superfortress Enola Gay dropped the first atomic bomb on Hiroshima, Japan. On August 9, the United States bombed Nagasaki.
Lockheed developed its top-secret, stealthy SR-71 Blackbird, a long-range, high-altitude, Mach 3+ aircraft, used for aerial reconnaissance — surveillance and intelligence-gathering.
The Space Race was also important during the Cold War. Discovery was America’s third Space Shuttle orbiter vehicle.