11.   The space agency expects the new spacecraft to be fully functional within four months.

12.   Unlike the shuttle, the new spacecraft would likely routinely land on a runway without an astronaut controlling the descent.

13.   Meanwhile, NASA researchers are working overtime to keep up with a secondary experiment that Endeavour commander Stephen Oswald is conducting on new spacecraft designs.

14.   The company said it would try to honor existing contracts, possibly by using the new spacecraft.

15.   The two astronauts will install equipment outside the station for experiments on building new spacecraft.

16.   They will install equipment to monitor samples mounted outside the station to help determine the best materials for building new spacecraft.

17.   U.S. space researchers are working overtime to keep up with a secondary experiment that Endeavour commander Stephen Oswald is conducting on new spacecraft designs.