Thrust reversal
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Thrust reversal, also called reverse thrust, is the temporary diversion of an aircraft engine's thrust for it to act against the forward travel of the aircraft, providing deceleration. Thrust reverser systems are featured on many jet aircraft to help slow down just after touch-down, reducing wear on the brakes and enabling shorter landing distances. Such devices affect the aircraft significantly and are considered important for safe operations by airlines. There have been accidents involving thrust reversal systems, including fatal ones.
Thrust reversers deployed on the CFM56 engine of an Airbus A321
Half-deployed target-type reverser of a RB.199 engine for the Panavia Tornado, one of very few fighter aircraft with thrust reversal
Variable-pitch propellers of an E-2C Hawkeye
Target 'bucket' thrust reverser deployed on the Tay engines of a Fokker 100
Boeing C-17 Globemaster III
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The McDonnell Douglas/Boeing C-17 Globemaster III is a large military transport aircraft that was developed for the United States Air Force (USAF) from the 1980s to the early 1990s by McDonnell Douglas. The C-17 carries forward the name of two previous piston-engined military cargo aircraft, the Douglas C-74 Globemaster and the Douglas C-124 Globemaster II.
The McDonnell Douglas YC-15 design was used as the basis for the C-17.
Paratroopers dropping from a C-17 during a training exercise in 2010
Cockpit of a C-17