1.   He is the seventh and final American assigned to live and work aboard Mir.

2.   He is scheduled to be the first U.S. astronaut to work aboard the International Space Station.

3.   He is the seventh and final U.S. astronaut assigned to live and work aboard the outpost.

4.   Its crew will retrieve Andy Thomas, the seventh and final American astronaut assigned by NASA to live and work aboard the orbital outpost.

5.   Mark Twain worked aboard river steamboats when he was still called Sam Clemens.

6.   Seven American astronauts have worked aboard Mir in the past three years, they noted.

7.   Symptoms improved when crew members retreated to the shuttle or used personal ventilator fans while working aboard the station.

8.   The ceremony was conducted partly in Spanish for mourners who came from Texas and Veracruz, Mexico, to honor several Mexican immigrants who worked aboard the Arctic Rose.

9.   The Discovery crew plans to retrieve U.S. astronaut Andy Thomas, who has been living and working aboard Mir since late January.

10.   The new station residents, Russian commander Yuri Onufrienko and Americans Carl Walz and Dan Bursch have prepared to live and work aboard the orbital outpost through mid-May.