“As a result, extensive and more operationally relevant testing with actual GPS satellites, ground antennas, and user equipment led to an increase in finding extensive system issues across all subsystems, many of which have not been resolved,” Ainsworth told the House Subcommittee on Strategic Forces in prepared testimony. “For over 15 years, the program has experienced significant technical challenges, schedule slips, and associated cost growth, putting at risk the launch and capability of futu...