美国政府问责局：五角大楼库存系统无法说明价值13亿美元的逾1.7万个F-35零部件去向；监督审计暴露关键供应链追踪失败

原标题 · GAO: Pentagon cannot account for 17,000+ F-35 parts valued at $1.3B in inventory systemWatchdog audit exposes critical supply-chain tracking failu…