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Military aviation accidents are spiking, driven by a perfect storm of flawed aircraft, inadequate pilot training, and over-involvement abroad.

As Sen. Elizabeth Warren’s (D- Mass.) office reported this week, the rate of severe accidents per 100,000 flight hours, was a staggering 55% higher than it was in 2020. Her office said mishaps cost the military $9.4 billion, killed 90 service members and DoD civilian employees, and destroyed 89 aircraft between 2020 to 2024. The Air Force lost 47 airmen to “preventable mishaps” in 2024 alone.

The U.S. continues to utilize aircraft with known safety issues or are otherwise prone to accidents, like the V-22 Osprey, whose gearbox and clutch failures can cause crashes. It is currently part of the ongoing military buildup near Venezuela.

Other mishap-prone aircraft include the Apache Helicopter (AH-64), which saw 4.5 times more accidents in 2024 than 2020, and the C-130 military transport aircraft, whose accident rate doubled in that same period. The MH-53E Sea Dragon helicopter was susceptible to crashes throughout its decades-long deployment, but was kept operational until early 2025.

Dan Grazier, director of the Stimson Center’s National Security Reform Program, told RS that the lack of flight crew experience is a problem. “The total number of flight hours U.S. military pilots receive has been abysmal for years. Pilots in all branches simply don't fly often enough to even maintain their flying skills, to say nothing of improving them,” he said.

To Grazier’s point, army pilots fly less these days: a September 2024 Congressional Budget Office (CBO) report found that the average manned aircraft crew flew 198 flight hours in 2023, down from 302 hours flown in 2011.