A U.S. Air Force Airman from the 1st Fighter Wing works on an F-22 Raptor while wearing a personal cooling suit under their Tyvek coveralls at Joint Base Langley-Eustis, Virginia, June 18, 2020. Airmen from the low observable flight have to wear Tyvek coveralls in 15 to 60-minute increments, combating stressful heat while performing detailed work. (U.S. Air Force photo by Senior Airman Anthony Nin Leclerec)