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Progress M-39



An improved version of cargo freighters used to supply the Mir space station, the Progress M series had greater cargo capacity, a modernized approach/docking system and carried 2 solar panels to generate electrical power. Progress M can fly for 30 days independently and 108 days docked with Mir. Spare propellent in Progress M's tanks can be transferred to Mir before it is consigned to burn up in reentry. In the past, extra fuel was abandoned with the craft. Future Progress vehicles will carry a recoverable reentry capsule for the speedy return of up to 150 kg of material from Mir to earth.

Progress M-39 was launched from the Baikonur cosmodrome aboard a Soyuz-U rocket. It docked with and delivered goods to the Mir space station at 23:50 UT on May 17, 1998 and delivered 1,500 kg of fuel and another 1,500 kg of food, equipment and gifts. In late June, Progress M-39 will give a jerk to to Mir to initiate progressively lower orbits, leading to its demise in the ocean in December 1999.

Alternate Names

  • 25340
  • ProgressM-39

Facts in Brief

Launch Date: 1998-05-15
Launch Vehicle: Soyuz-U
Launch Site: Tyuratam (Baikonur Cosmodrome), Kazakhstan

Funding Agency

  • Unknown (Russia)


  • Resupply/Refurbishment/Repair

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

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