For space shuttle missions, in the firing room at the Launch Control Center, the NASA Test Director (NTD) performed this check via a voice communications link with other NASA personnel.
Status Quo (band) | Status Quo | Chase & Status | launch vehicle | Combatant Status Review Tribunal | Polar Satellite Launch Vehicle | NatureServe conservation status | M270 Multiple Launch Rocket System | Launch game | Cyclic redundancy check | Copyright status of work by the U.S. government | Committee on the Status of Endangered Wildlife in Canada | Motor Launch | Harbour Defence Motor Launch | Forum check | Electric Launch Company | Check Point | Check My Brain | U.S.–Iraq Status of Forces Agreement | TN status | status quo | SpaceX reusable launch system development program | Social status | Political status of Taiwan | motor launch | LAUNCH Media | Launch Control Center | International Launch Services | Fairmile B motor launch | expendable launch system |