21.   Various shoulder motions send specific commands to a microchip, usually in a wheelchair.

22.   Ground controllers then sent a command that raised the engine to the surface of the ship.

23.   He continued to send commands in an effort to free the stuck pin.

24.   He continued to send commands and eventually freed the stuck pin.

25.   Shuttle commander Kenneth Cockrell sent computer commands to bolt the port onto the lab.

26.   Solovyov said that ground controllers would send commands later to fire the thrusters one more time to correct the orientation toward the sun by a few degrees.

27.   The astronaut was able to direct his movements by sending commands through a wire attached to the pack.