41.   Last week, American astronaut David Wolf was named to replace Foale.

42.   Michael Foale, the latest American astronaut to take up residence aboard Mir, may not want to look too closely at his quarters.

43.   NASA also points out that the Mir mishaps provide an invaluable training camp for American astronauts, who would otherwise know far less about responding to future emergencies.

44.   NASA is considering a request to have American astronaut Michael Foale conduct the mission.

45.   NASA officials also said, however, that they have not decided whether to continue sending American astronauts to the Mir.

46.   No tribute to the American astronaut would be complete without Ross, a soft-spoken encyclopedia of what it takes to fly and work productively in space.

47.   Now, Lazutkin will attempt the repair, assisted by Foale, if US and Russian officials decide the American astronaut is up to the task.

48.   One of the three is an American astronaut, Michael Foale.

49.   Only one other American astronaut, John W. Young, made as many trips into orbit.

50.   Q. I heard that the American astronaut Dr. Norman Thagard lost weight while he was on the Russian space station.