1.  Although he leaned toward unmanned space exploration, he fought efforts to cut money for the space station.

2.  It was the costliest and most complex undertaking in unmanned space study.

3.  Previous unmanned space missions have required ground controllers to constantly monitor conditions on the spacecraft and provide navigational information to keep them on course.

4.  Some scientists argue that it is a technical challenge that may be too much for unmanned space missions.

5.  The equipment will be carried to Mir aboard a new unmanned Russian space module called Spketr.

6.  The experiments would be on unmanned space vehicles as well as in the space shuttle and the future space station programs, Clinton said.

7.  Vandenberg was left with the Titan IV, a program that launches unmanned space vehicles that thrust satellites into more-difficult-to-reach polar orbit.

8.  A military base in northern Russia used for unmanned space launches and ballistic missile tests had its power cut off Friday because of unpaid bills.

9.  A Russian nuclear submarine in the Bering Sea successfully launched an unmanned German space lab on Wednesday, the ITAR-Tass news agency said.

10.  A Russian nuclear submarine in the Barents Sea successfully launched an unmanned German space lab on Wednesday, the ITAR-Tass news agency said.