Latest US report from the Government Accountability Office concludes that only 8% of ground combat vehicles, and only 20% of ground support vehicles are "mission capable."
Latest US report from the Government Accountability Office concludes that only 8% of ground combat vehicles, and only 20% of ground support vehicles are "mission capable."
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GAO Report on Weapon System Sustainment - USNI News

The bottom line is that the US could not sustain ground combat operations anywhere on the planet.