US Air Force Kicks Off B-21 Raider Combat Testing Far Ahead Of Schedule

The U.S. Air Force is pushing hard to get the B-21 Raider ready for 2027, with combat testing of the stealth bomber beginning ...
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Operational and developmental test pilots fly together on B-21 Raider

An operational test pilot recently flew the B-21 Raider stealth bomber with a developmental test pilot, marking a transition ...
The Aviationist

MH-139 Grey Wolf Finally Enters Developmental Testing

The helicopter has finally received the FAA Certification and Military Flight Release to proceed with the next phases of the development. The U.S. Air Force announced that the MH-139 Grey Wolf is now ...
National Academies of Sciences%2c Engineering%2c and Medicine

Testing of Defense Systems in an Evolutionary Acquisition Environment

The current process used for the development of a single-stage defense system consists of several well-defined steps, each ending with a milestone, that is, a decision point (see Figure A-1). These ...