SCOTT #1529 SKYLAB 10 CENT

     Skylab 1, the first orbiting experimental space laboratory, was launched unmanned on May 14, 1973. Skylab 11, the first manned  mission, was launched on May 25,1973. Its crew demonstrated its versatility by assuming the role of extra-vehicular space mechanics.The duration of this mission was 28 days, 50 minutes.