Role | Strategic airlifter |
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National origin | United States |
Manufacturer | Lockheed Corporation Lockheed Martin |
First flight | 30 June 1968 |
Introduction | June 1970 |
Status | In service |
Primary user | United States Air Force |
Produced | C-5A: 1968–1973C-5B: 1985–1989 |
Number built | 131 (C-5A: 81, C-5B: 50) |
The USAF has operated the C-5 since 1969. In that time, the airlifter supported US military operations in all major conflicts including Vietnam, Iraq, Yugoslavia, and Afghanistan, as well as allied support, such as Israel during the Yom Kippur War and operations in the Gulf War. The Galaxy has also distributed humanitarian aid, provided disaster relief, and supported the US space program.
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The C-5 is a large, high-wing cargo aircraft with a distinctive high T-tail fin (vertical) stabilizer, with four TF39 turbofan engines mounted on pylons beneath wings that are swept 25°. (The C-5M uses newer GE CF6 engines.)
The first C-5A was delivered to the USAF on 17 December 1969. Wings were built up in the early 1970s at Altus AFB, Oklahoma;
Following a study showing that 80% of the C-5 airframe's service life was remaining,[99] Air Mobility Command (AMC) began an aggressive program to modernize all remaining C-5Bs and C-5Cs and many of the C-5As.