Pentagon loses track of millions in F-35 spare parts

A government watchdog found that the Department of Defense cannot account for millions of spare parts in its F-35 fighter jet inventory, despite the program being the most expensive in U.S. military history. The tracking failure creates uncertainty about actual spending levels and whether components are being wasted or simply lost in the system.

The parts accountability problem threatens readiness for units operating F-35s, as poor inventory management can delay repairs and ground aircraft when needed parts cannot be located. Service members maintaining these jets face ongoing operational challenges stemming from systemic logistics and budget accountability issues that the Pentagon has yet to resolve.