The Snapshots in Time Collection
USAF F-4 Phantom II Pilot-to-Crewchief Hand Signals Reference Card, 57th Fighter Weapons Wing, December 1971
This laminated pocket reference card, issued to F-4 Phantom II pilots of the 57th Fighter Weapons Wing in December 1971, standardized hand signal communication between pilots and ground crew chiefs during engine starts and power hookups -- essential silent communication on a noisy flight line during the Vietnam War era. Project: 218392