Jun 6 1998
From The Space Library
Cosmonauts working aboard Mir conducted the first of two tests, using green fluorescent gas made from combining nitrogen, acetone, and biacetyl gases, to search for leaks in the Spektr laboratory module damaged in a collision in June 1997. However, they were unable to pinpoint the sources of any seepage. Because Mir was nearing its decommission stage, Russia planned no repairs, in the event that the cosmonauts were able to locate the leaks precisely. Instead, the tests were intended as practice for finding leaks on the future ISS.
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