Operation Varsity Day 1
U.S. Air Force Maj. Micheal Bakke, 37th Airlift Squadron pilot, dons his aircrew emergency respiratory protective system over German airspace during exercise Operation Varsity 20-04, Oct. 19, 2020. AERPs protect pilots from hostile chemical agents and allow them to fly while entering contaminated areas. (U.S. Air Force photo by Airman 1st Class Taylor D. Slater)