Summary
- Lockheed's C-5 Galaxy is one of the largest military aircraft ever built and can carry a whopping payload of over 135 tons.
- McDonnell Douglas' C-17 Globemaster III, later produced by Boeing, is slightly smaller than the C-5 Galaxy yet has a maximum payload of over 170,000 pounds.
- While the C-5 Galaxy is exclusively used by the US Air Force, the C-17 has been adopted by eight nations for various logistics missions.