Skylab was the frst American space station, The project began as the Apollo Applications Program in 1968 with an objective to develop science-based human space missions using hardware originally developed for the effort to land astronauts on the moon.
The unmanned Skylab station was launched into orbit by a Saturn V booster on May 14, 1973 at 17:30 UTC. Three crews, each with three crewmembers, spend up to 84 days in space from May 25, 1973 to February 8,1974. The three Skylab crews logged over 41 hours of extravehicular activity and a combined 171 days on orbit travelling more than 70 million miles. The third Skylab crew lived in space for 84 days, which at the time was a new record for the longest human stay in space.
On July 11, 1979 Skylab re-entry into the Earth's atmosphere. At 16:37:00 UTC debris of Skylab landed about 480 km southeast of Perth.
The frst crew launched on May 25, 1973 aboard an Apollo command-service module. The frst crew of Skylab: Charles Conrad, Joseph Kerwin and Paul Weitz. The second crew launched on July 28, 1973. The second crew of Skylab: Alan Bean, Owen Garriott and Jack Lousma. The third crew launched on November 16, 1973. The third crew of Skylab: Gerald Carr, William Pogue and Edward Gibson. 28, 59, and 84 days consistently held in space three crews. At that time, these were record times.