America's first space station (1973-79). Crashed back to Earth scattering debris across Australia; the Shire of Esperance fined NASA $400 for littering.
From Wikipedia
Skylab was the United States' first space station, launched by NASA, occupied for about 24 weeks between May 1973 and February 1974. It was operated by three trios of astronaut crews: Skylab 2, Skylab 3, and Skylab 4.