Progress 42Progress 42 was a Soviet unmanned Progress cargo spacecraft, which was launched in May 1990 to resupply the Mir space station.LaunchProgress 42 launched on 5 May 1990 from the Baikonur Cosmodrome in the Kazakh SSR. It used a Soyuz-U2 rocket.DockingProgress 42 docked with the aft port of the Kvant-1 module of Mir on 7 May 1990 at 22:45:03 UTC, and was undocked on 27 May 1990 at 07:08:58 UTC.DecayIt remained in orbit until 27 May 1990, when it was deorbited. The deorbit burn occurred at 11:40:00 UTC and the mission ended at 12:27:30 UTC.