The F-15's superior maneuverability and acceleration are achieved through its high engine thrust-to-weight ratio and low-wing loading. It was the first U.S. operational aircraft whose engines' thrust exceeded the plane's loaded weight, permitting it to accelerate even while in straight up climb. Low-wing loading the ratio of aircraft weight to its wing area is a vital factor in maneuverability and, combined with the high thrust-to-weight ratio, enables the aircraft to turn tightly without losing airspeed.
The first flight of the F-15A was complete in July 1972. In November 1974, the first Eagle was delivered to the 58th Tactical Fighter Training Wing at Luke Air Force Base, Ariz., where training began in both F-15A and B aircraft. In January 1976, the first F-15 destined for a combat squadron was delivered to the 1st Tactical Fighter Wing at Langley Air Force Base, VA.
The single-seat F-15C and two-seat F-15D models enter the Air Force inventory in 1979 and were delivered to Kadena Air Base, Okinawa, Japan. These models were equipped with production Eagle package improvements, including 2,000 pounds of additional internal fuel, provisions for carrying exterior conformal fuel tanks, and increased maximum takeoff weight of 68,000 pounds.
The first manufacture model of the F-15E was delivered to the 405th Tactical Training Wing, Luke Air Force Base, AZ, in April 1988.
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