
Acquisition missteps are delaying the fielding of the U.S. Air Force Three-Dimensional Expeditionary Long-Range Radar (3DELRR), a program that began in 2009 and that the Air Force designated a Middle Tier of Acquisition (MTA) rapid prototyping effort in December, 2019, according to a new Pentagon Inspector General (IG) audit. 3DELRR is to be a long-range, ground-based aerial targets radar, and the Air Force had planned to field 35 of the radars by fiscal 2028. "The Air Force did not effectively…