A key House panel is authorizing economic order quantity for the Lockheed Martin F-35 in the hope of promoting cost savings for the fifth-generation fighter while requesting cost transparency for Block 4.

House Armed Services lawmakers are concerned the U.S. Air Force is not doing due diligence in setting requirements.

A senior Pentagon official cautions against restricting the Defense Department’s (DOD) reprogramming authority because it may make it difficult for the military to respond to a shifting security environment.