Converse of object

• man: For just $ 10m the US got private manned spaceflight!

• make: By contrast, our program involves a few, dedicated individuals who are focused entirely on making spaceflight affordable, " said Burt Rutan.

Adjective modifier

• human: The value of human spaceflight - costs, risks & benefits, manned vs unmanned missions.

• commercial: Even Helen Sharman, the British cosmonaut, believes that commercial spaceflight and space tourism will not be achieved for a number of decades.

• suborbital: It also discusses the recent developments in commercial suborbital spaceflight and the history of suborbital rocketry.

• manned: Cranfield also has active research in manned spaceflight and in launcher technologies.