psloss - 29/12/2005 9:38 AMColumbia also flew the first Spacelab mission, STS-9, in late 1983.Lots of modifications, though, occurred before and after that flight (between STS-5 and STS-9 and between STS-9 and 61-C).
t walker - 30/12/2005 12:22 PMThats great thanks!Now does anybody know what happened to Atlantis between STS-46 and STS-66? It missed all of 1993...
shuttlefan - 28/9/2006 9:12 AMI think the bottom line is that Columbia was more or less turned from a test to an operational spacecraft during that time period.