(The Center Square) – Ten of the 13 programs meant to keep the B-52 flying into the 2050s are over budget, behind schedule or underperforming, a federal watchdog found, including new engines and radar.

The findings, in a new report from the Government Accountability Office, come as the Air Force spends an estimated $21 billion to keep the 76 aging bombers flying decades past their planned lifespan. The two costliest programs, new engines and radar, are running over on all three counts.

Originally published on thecentersquare.com, part of the BLOX Digital Content Exchange.