Boeing announced in November last year that it was transitioning towards the low-rate initial production (LRIP) of the MH-139A Grey Wolf helicopter after delivering the sixth and final test aircraft to the US Air Force (USAF). Boeing delivers first production Grey Wolf to US Air Force Boeing delivers first production Grey Wolf to US Air Force Boeing has delivered the first LRIP MH-139A Grey Wolf helicopter to the USAF, marking a major milestone in a US$2.4 billion programme to replace the force’s UH-1N Huey helicopters. In 2024, USAF ordered an additional seven MH-139As from Boeing with six Research, Development, Test...