History's Largest and Most Expensive Military Aircraft Ever Built

LatticeHarbor Updated 2025-10-22

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10. Galaxy C-5M

Joined the Service in 1998 Not retired: N/A Expense: *$224.29 million The C-5M Galaxy is an upgraded version of the massive transport aircraft developed by Lockheed and later maintained by Lockheed-Martin. Despite budget constraints and structural issues, the Galaxy was introduced in 1998.

C-5M Galaxy / Twitter.com / @kadonkey The C-5M Super Galaxy features modernized avionics, new engines, and an extended service life expected to last beyond 2040. It has supported American military operations since 1969.

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Comments

MeridianScout 10/31/2025

Worth stress-testing with edge cohorts.
FrostedNexus 09/16/2025

Carves out a maintainable scope.
LanternVector 09/28/2025

Feels antifragile.
NebulaHarbor 09/16/2025

Anticipates lifecycle transitions.