The US Air Force's plan to upgrade its 70-year-old B-52 bombers is billions over budget, watchdog finds
The service is expected to start production of upgrades "with little to no developmental flight testing," the GAO report found.
The service is expected to start production of upgrades "with little to no developmental flight testing," the GAO report found.
This article was originally published at: https://www.businessinsider.com/us-air-force-b52-bomber-u...