There is no other aircraft that can do what the C-5 does – that's why it will fly until 2050

The USAF plans to keep the C-5M Galaxy flying until 2050 despite low readiness rates, rising costs, and maintenance delays.
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The Amazing Way Cargo is Loaded onto a C-5 Galaxy Plane

The Lockheed C-5 Galaxy is primarily a giant cargo plane – and to load it up, you need a giant opening. The solution: the nose cone of the plane, known as the visor, swings up to reveal a massive door ...