Talk:Soyuz T-15

Space first (and only?)
Is this mission the only instance of a human spacecraft travelling from one space station to another? --Jfruh (talk) 20:04, 29 June 2009 (UTC)
 * I believe it is. Though there has been little discussion here I would like to raise an interesting question put to me last week elsewhere on Wikipedia. First, there is currently a geo-centic bias that all space flights begin and end on Earth. Clearly this will not and cannot be the case in the long term when flights are initiated from other established bases or colonies. It has been argued (not orginally be me) that the Moon missions involved two flights as they contained two landings and two launches. But it was put to me that a flight to a space station and then a return on a different space craft many months later is two flights. (Though does it necessarily need to be a different craft?) I raise the question here, because in this mission (Soyuz T-15) the same logic would suggest there were 4 flights in this mission. (1) Launch and docking with Mir, 50 day stay on Mir); (2) trip Mir to Salyut 7, 56 day stay (trip took 29 hours) (3) trip Salut 7 to Mir, 20 day stay (trip took 29 hours) (4) trip Mir to Earth. Is there an official definition. Is there a distinction to be made between, "mission", flights", "trips". NASA only records the mission from and to the Earth in their biographies. Comments. Alan Davidson (talk) 23:43, 14 September 2010 (UTC)

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