The Snapshots in Time Collection
USAF 57th Fighter Weapons Wing F-4 Phantom II Ground Crew Hand Signal Checklist Card, April 1972
A 1972 USAF checklist card from the 57th Fighter Weapons Wing detailing standardized hand signals for F-4 Phantom II ground operations, used by crew chiefs and pilots to communicate aircraft status without radio contact during pre-flight and taxi procedures. Project: 218392