Donald Kent "Deke" Slayton, was an American World War II pilot, aeronautical engineer, and test pilot who was selected as one of the original NASA Mercury Seven astronauts, and became NASA's first Chief of the Astronaut Office.
The Apollo-Soyuz Test Project was the first joint US-Soviet space flight and the last crewed US space mission until the Space Shuttle program. The US side of mission began on July 15, 1975, 19:50:00 UTC, launching Commander Thomas P. Stafford, Command Module Pilot Vance D. Brand and Docking Module Pilot Donald K. Slayton into orbit. Two days later, they docked with the Soyuz 19 spacecraft. American and Soviet crews visited each other's spacecrafts, performed docking and redocking maneuvers, conducted joint scientific experiments, exchanged flags and gifts. Crews spent more than 44 hours together, and after final parting of the ships on July 19, Apollo crew spent nine more days in orbit, conducting Earth observation experiments. The Apollo crew returned to Earth on July 24, 1975, 21:18:0 UTC with a splashdown in the Pacific Ocean.Low Earth Orbit
The National Aeronautics and Space Administration is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research. NASA have many launch facilities but most are inactive. The most commonly used pad will be LC-39B at Kennedy Space Center in Florida.