Soyuz TM-1 was an unmanned test flight of the Soyuz-TM spacecraft, intended for use in the Mir space station program. This was the maiden flight of the Soyuz-TM spacecraft, intended as the successor to the Soyuz-T spacecraft used in the Salyut program. It docked to Mir on 23 May 1986, and undocked on the 29th. It was the last uncrewed Soyuz flight until Soyuz MS-14, in 2019.