|  | |
| General information | |
|---|---|
| Type | Strategic and tactical airlifter | 
| National origin | United States | 
| Manufacturer | McDonnell Douglas / Boeing | 
| Status | In service | 
| Primary users | United States Air ForceIndian Air Force Royal Air Force See Operators for others | 
| Number built | 279 | 
| History | |
| Manufactured | 1991–2015 | 
| Introduction date | 17 January 1995 | 
| First flight | 15 September 1991 | 
Developed from McDonnell Douglas YC-15

The C-17 is based upon the YC-15, a smaller prototype airlifter designed during the 1970s. It was designed to replace the Lockheed C-141 Starlifter, and also fulfill some of the duties of the Lockheed C-5 Galaxy. Compared to the YC-15, the redesigned airlifter differed in having swept wings, increased size, and more powerful engines. Development was protracted by a series of design issues, causing the company to incur a loss of nearly US$1.5 billion on the program's development phase. On 15 September 1991, roughly one year behind schedule, the first C-17 performed its maiden flight. The C-17 formally entered USAF service on 17 January 1995. Boeing, which merged with McDonnell Douglas in 1997, continued to manufacture the C-17 for almost two decades. The final C-17 was completed at the Long Beach, California plant and flown on 29 November 2015.
The C-17 Globemaster III is a strategic transport aircraft, able to airlift cargo close to a battle area. The size and weight of U.S. mechanized firepower and equipment have grown in recent decades from increased air mobility requirements, particularly for large or heavy non-palletized outsize cargo. It has a length of 174 feet (53 m) and a wingspan of 169 feet 10 inches (51.77 m), and uses about 8% composite materials, mostly in secondary structure and control surfaces.)Ceiling
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                Boeing provides comprehensive C-17 Globemaster III training solutions for aircrews and loadmasters with advanced simulation, courseware and computer-based training. C-17 operators can practice.
A high-wing, four-engine, T-tailed military transport aircraft, the multi-service C-17 can carry large equipment,
Boeing provides comprehensive C-17 Globemaster III training solutions for aircrews and loadmasters with advanced simulation, courseware and computer-based training. C-17 operators can practice