what are cargo plane
The C-17 Military Cargo Plane. The C-17 cargo airplane is a large military transport aircraft. It was developed for the United States Air Force (USAF) from the 1980s to the early 1990s by McDonnell Douglas.he C-17 Military Cargo Plane. The C-17 cargo airplane is a large military transport aircraft. It was developed for the United States Air Force (USAF) from the 1980s to the early 1990s by McDonnell Douglas.