vertical checkout

instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)

checkout equipment

ground control checkout (verification) equipment

checkout, control and monitor system (CCMS)

launch checkout

preflight checkout

preflight readiness checkout

prototype checkout

ground checkout equipment (GCE)

checkout procedure

checkout equipment / test and control equipment, testing equipment

test and control equipment / testing equipment, checkout equipment

checkout

checkout area

checkout hut

high vertical inclination angle

vertical

vertical / short takeoff and landing (V/STOL)

vertical aerial photography

vertical angle

vertical axis

vertical blip

vertical datum plane

vertical distance

vertical envelopment

vertical gyro indicator

vertical photograph

vertical plane

vertical position

vertical replenishment (VERTREP)

vertical scale indicator

vertical stabilizer (fin)