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Caption:
An E-3 Airborne Warning and Control System aircraft from Tinker AFB,
OK, in the air on a mission.The E-3 Sentry is modified Boeing 707/320
commercial airframe with a rotating radar dome. The dome is 30 feet in
diameter, 6 feet thick and is held 11 feet above the fuselage by two
struts.It contains a radar subsystem that permits surveillance from the
Earth's surface up into the stratosphere, over land or water. The radar
has a range of more than 200 miles for low-flying targets and farther
for aerospace vehicles flying at medium to high altitudes. (U.S. Air
Force photo by TSgt. John K. McDowell)
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