41.   The three men living aboard the international space station did a little house cleaning in preparation for greeting their replacements.

42.   Their replacements, two Americans and one Russian, will live aboard the orbiting outpost until May.

43.   Their replacements, two Americans and one Russian, who will live aboard the orbiting outpost until May.

44.   They want to live aboard the boat for a year while they cruise off Gibraltar and the Canaries or the western Pacific.

45.   They have been living aboard Alpha since August.

46.   They have been living aboard the orbiting outpost since December along with their Russian commander, Yuri Onufrienko.

47.   They will spend the next four months living aboard the station.

48.   Whitson, a biochemist, is only the second woman to live aboard the space station.

49.   His planned four-month stay will make him the third American to live aboard the orbiting vessel.

50.   His four-month stay will make him the third American to live aboard the Earth-orbiting vessel.