The Marine Corps' CH-53K helicopter program faces further cost increases due to the overlap between testing and procurement and an unreliable schedule, according to a Government Accountability Office report released Thursday.

House Armed Services Committee Chairman Adam Smith (D-WA) said today it is time for Congress and the Pentagon to begin a debate to "cut our losses" on the F-35 Joint Strike Fighter, meaning the most expensive weapons program in U.S. history could be nearing a major inflection point.