(Alex glides in from the Kadena Air Base, Japan.) The all-weather surveillance command-and-control AWACS E-3 is known by this name, also used for a soldier standing guard
In 
the mid-1960s, the US Air Force (USAF) was seeking an aircraft to replace... [DOC] [TLE] E-3 Sentry (AWACS) > U.S. Air Force > Fact Sheet Display [PAR] Sep 22, 2015 ... MissionThe E-3 Sentry is an airborne warning and control system, ... command 
and control battle management, or C2BM, surveillance, target ... of theater forces, 
all-altitude and all-weather surveillance of the battle ... Pacific Air Forces has four 
E-3 Sentries at Kadena AB, Japan and Elmendorf AFB, Alaska.