Player Embed Code: Download Embed Share Cool Jobs: Jack-of-All-Trades Defense.gov Jan. 10, 2020 | 1:46 Meet one of the airmen who keep the RQ-4 Global Hawk — a high-altitude, remotely piloted surveillance aircraft — in the sky. Air Force Airman Kieran Coffey is a vehicle maintenance technician, and he explains why his job involves more than just working on a vehicle.Video by Air Force Airman Jack LeGrand