Skylab 2 carrying astronauts Pete Conrad, Joseph Kerwin, and Paul Weitz launched 11 days after Skylab and spent 28 days on the space station.
NASA initiated a rescue launch campaign for Skylab 3 with astronauts Vance Brand and Don Lind selected as the designated rescue crew for both Skylab 2 and Skylab 3.
Three crewed Skylab missions were planned as Skylab 2, Skylab 3, and Skylab 4, with the SL-R plan using the next vehicle in line as the rescue vehicle.
Skylab 2, carrying astronauts Pete Conrad, Joseph Kerwin, and Paul Weitz, launched 11 days after Skylab to repair the damaged laboratory and spent 28 days on the station.
Three crewed Skylab missions were planned as Skylab 2, Skylab 3, and Skylab 4 with the next vehicle in line designated to serve as the rescue vehicle under the SL-R plan.
Vance Brand and Don Lind were selected as the rescue astronauts for both Skylab 2 and Skylab 3.