Results from the MH-139A Grey Wolf's developmental testing have given the Air Force confidence to push ahead with a milestone C review for the helicopter program this month, a service spokeswoman confirmed to Inside Defense . The milestone C decision, which will kick off low-rate initial production for the aircraft, comes after the service deferred procurement of the Boeing-built Grey Wolf to fiscal year 2023 due to pending Federal Aviation Administration certifications. It also follows a report from the Pentagon’s...