Soyuz T-12 was the seventh mission to visit the Salyut 7 space station and the second to visit the long-duration Soyuz T-10 resident crew of the station. The mission began on July 17, 1984, 17:40:54 UTC, launching Commander Vladimir Dzhanibekov, Flight Engineer Svetlana Savitskaya and Research Igor Volk into orbit. They docked with the station the next day. During their 9-day stay on the station, crew carried out various experiments, and Savitskaya became the first woman to ever perform a spacewalk. The mission concluded with a safe landing back on Earth on July 29, 1984, 12:55:30 UTC.