1/19/2023 0 Comments Prototype 3 e3![]() E-3s were also purchased by NATO (18), the United Kingdom (7), France (4) and Saudi Arabia (5). The first USAF E-3 was delivered in March 1977, and during the next seven years, a total of 34 aircraft were manufactured. Testing on the first production E-3 began in October 1975. Both radars used pulse-Doppler technology, with Westinghouse's design emerging as the contract winner. ![]() ![]() After issuing preliminary development contracts to three companies, the USAF picked Boeing to construct two airframes to test Westinghouse Electric and Hughes's competing radars. ![]() Air Force (USAF) was seeking an aircraft to replace its piston-engined Lockheed EC-121 Warning Star, which had been in service for over a decade. Production ended in 1992 after 68 aircraft had been built. The E-3 is distinguished by the distinctive rotating radar dome (rotodome) above the fuselage. Derived from the Boeing 707 airliner, it provides all-weather surveillance, command, control, and communications, and is used by the United States Air Force, NATO, French Air and Space Force, and Royal Saudi Air Force. E-3s are commonly known as AWACS (Airborne Warning and Control System). The 'Boeing E-3 Sentry' is an American airborne early warning and control (AEW&C) aircraft developed by Boeing. Airborne early warning and control aircraft based on Boeing 707 airframeĪn E-3 Sentry of the United States Air ForceĪirborne early warning and control (AEW&C)
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