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C-141 Starlifter was the aircraft flown by Collins at Travis AFB. The C-141 was a military transport aircraft used by the United States Air Force from 1965 to 2006. It was designed to carry cargo and personnel, and was capable of landing on short, unimproved runways. The C-141 was a versatile aircraft that was used in a variety of roles, including troop transport, cargo transport, and medical evacuation.