Fox is a brevity code used by NATO pilots to signal the simulated or actual release of an air-to-air munition or other combat function. Army aviation elements may use a different nomenclature, as the
Grumman F-14 Tomcat firing an AIM-7 Sparrow | Fox One
Lockheed Martin F-22 Raptor fires an AIM-9 Sidewinder | Fox Two
Grumman F-14 Tomcat fires an AIM-54 Phoenix Missile | Fox Three
The AIM-54 Phoenix is an American active radar-guided, beyond-visual-range air-to-air missile, carried in clusters of up to six missiles on the Grumman F-14 Tomcat, its only operational launch platfor
Fox (code word)
…an infrared homing missile (such as the AIM-9 Sidewinder). Fox three Indicates launch of an active radar homing missile (such as the AIM-120 AMRAAM or AIM-54 Phoenix (Terminal Phase Only)). Prior to the advent of active radar homing missiles the code "Fox three" referred to the use of guns or cannon, such as the M61…
AIM-54A on an F-14 at NAS Patuxent River, 1984
An AIM-54A launched from the NA-3A-testbed in 1966
AIM-54 Phoenix seconds after launch (1989)
An AIM-54 hitting a QF-4B target drone, 1983