Airman 1st Class Amadeus Rosa Rosa, 80th Operations Support Squadron aircrew flight equipment technician, ensures 19th Air Force Command Chief Master Sgt Erik Thomson’s oxygen mask has a proper seal before his familiarization flight, April 26, 2019 at Sheppard Air Force Base, Texas. A set of pilot equipment consists of a helmet, mask, parachute and G-suit, more than 140 sets are inspected weekly. (U.S. Air Force photo by Senior Airman Robert L. McIlrath)