PHILADELPHIA, Aug. 25, 2022 — Leonardo and Boeing deliver the first four MH-139A Grey Wolf test helicopters to the US Air Force as the service looks to replace its UH-1N aging fleet. The Boeing MH-139A Grey Wolf is a multi-mission helicopter, based on Leonardo’s proven dual-use AW139 Intermedium-class helicopter, designed to protect intercontinental ballistic missiles Leer másLeonardo and Boeing deliver first four MH-139A to US Air Force[…]