11.   All three command-and-control computers aboard the orbiting laboratory were working when Endeavour pulled away Sunday, although only one had a functioning hard drive.

12.   And what better way to further interplanetary travel than to tack on a Mars ship to the orbiting laboratory, giving both programs a plug?

13.   The October flight is critical since it involves resupplying the international space station and rotating crew members from the orbiting laboratory.

14.   The October flight is particularly critical since it involves resupplying the international space station and rotating crew members from the orbiting laboratory.

15.   The shuttle arm will hoist the space station robot arm on Sunday and attach it to the orbiting laboratory.

16.   The seven-man crew of the shuttle Discovery grappled the Hubble Space Telescope early Thursday, as a first step to service and upgrade the orbiting laboratory.