
The LTV A-7 Corsair II is a
carrier-based subsonic light attack aircraft introduced to replace
the United States Navy's A-4 Skyhawk, initially entering service
during the Vietnam War. The Corsair was adopted by the United
States Air Force, as well as the Air National Guard, to replace the
A-1 Skyraider, F-100 Super Sabre and F-105 Thunderchief. The
aircraft was also exported to Greece in the 1970s, and Portugal and
Thailand in the late 1980s. The A-7 airframe design was based on
the successful supersonic F-8 Crusader produced by Chance Vought.
It was one of the first combat aircraft .to feature a head-up
display . an inertial navigation system (INS). and a turbofan
engine
A-7D,Version built for the USAF,
with one Allison TF41-A-1 turbofan, and a single 20 mm M61 Vulcan
gatling cannon; 459 built.