The Air Force misused the middle tier of acquisition pathway for its Three-Dimensional Expeditionary Long-Range Radar program because it misinterpreted the stage at which procurement funds could be used, according to a Defense Department inspector general report released this week . The Air Force transitioned 3DELRR from the MTA rapid prototyping path to the MTA fielding path too early, wrongly believing that procurement funds couldn’t be used for the prototypes, the report states. The program didn't clear the...