The Lockheed C-141 Starlifter was a new-build design by Lockheed and proved adaptable to many roles, from carrying outsized cargo to dropping paratroops. The C-141 was used in difficult environmental conditions, such as the heat and extreme humidity of Vietnam, the deserts of the Middle East, and the frozen ice pack of Antarctica. Modification programs enabled the C-141 to make full use of its capabilities, by adding in-flight refueling plus extending...