Continued From Previous Page The first flight of the F-15A was made 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 AFB, Va. The single-seat F-15C and two-seat F-15D models entered the Air Force inventory in 1979 and were first delivered to Kadena Air Base, 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 production model of the F-15E was delivered to the 405th Tactical Training Wing, Luke AFB, Ariz., in April 1988. General Characteristics Primary function: Air-to-ground attack aircraft Contractor: The Boeing Company Power plant: Two Pratt & Whitney F100-PW-220 or 229 turbofan engines with afterburners Thrust: 25,000 - 29,000 pounds each engine Wingspan: 42.8 feet (13 meters) Length: 63.8 feet (19.44 meters) Height: 18.5 feet (5.6 meters) Weight: 37,500 pounds ( 17,010 kilograms) Maximum takeoff weight: 81,000 pounds (36,450 kilograms) Fuel capacity: 35,550 pounds (three external tanks plus conformal fuel tanks) Payload: depends upon mission Speed: 1,875 mph (Mach 2.5 plus) Range: 2,400 miles (3,840 kilometers) ferry range with conformal fuel tanks and three external fuel tanks Ceiling: 60,000 feet (18,288 meters) Armament: One 20mm multibarrel gun mounted internally with 500 rounds of ammunition. Four AIM-9 Sidewinder missiles and four AIM-120 AMRAAM, or eight AIM-120 AMRAAM missiles. Any air-to-surface weapon in the Air Force inventory (nuclear and conventional) Crew: Pilot and weapon systems officer Unit cost: $31.1 million (fiscal 98 constant dollars) Initial operating capability: September 1989 Inventory: Total force, 219