

The timing of the leak soon after the docking of another Progress supply ship was presumably a coincidence, but it was the second time in less than two months that a Russian spacecraft suddenly lost its coolant fluid while docked at the international research complex. 11, soon after the docking of a fresh Progress resupply spacecraft to a different port on the space station. But the routine undocking took special significance after the Progress MS-21 cargo ship suddenly leaked coolant last Saturday, Feb. EST Friday (0226 GMT Saturday), keeping a departure date that has been set for months. The Progress MS-21 cargo ship undocked from space-facing Poisk module on the Russian segment of the space station at 9:26 p.m. Russian cosmonauts took pictures of the location where coolant leaked out of a Russian Progress cargo ship earlier this month when the supply freighter departed the International Space Station Friday night, as scheduled, to head for a destructive re-entry over the Pacific Ocean. The Progress MS-21 cargo ship departs the International Space Station.
