The USA's first space station(6)
First line should... [DOC] [TLE] space station | Britannica.com [PAR] Skylab, U.S., May 14, 1973, July 11, 1979, 171 (3), first U.S. space station; 
successfully ... Salyut 6, U.S.S.R., September 29, 1977, July 29, 1982, 684 (6), 
first... [DOC] [TLE] April 19, 1971: Soviets Put First Space Station Into Orbit | WIRED [PAR] Apr 19, 2011 ... 1971: Salyut 1, the first operational space station, is launched.