STS-1 was the first mission of NASA's Space Shuttle program, launching on April 12, 1981. The shuttle used for this mission was Columbia, which marked a significant milestone in space exploration. The mission lasted 54.5 hours and included two crew members, John W. Young and Robert L. Crippen. During STS-1, the crew conducted various tests to evaluate the shuttle's systems and performance in orbit. The mission successfully demonstrated the shuttle's capabilities, paving the way for future missions and the development of reusable spacecraft. The landing occurred on April 14, 1981, at Edwards Air Force Base in California.