Airmen assigned to the 88th Test and Evaluation Squadron, pose for a photo in full Chemical, Biological, Radiological, and Nuclear flight gear during a developmental test at Nellis Air Force Base, Nevada, April 21, 2021. The Airmen participated in on-going testing of the new Uniform Integrated Protective Ensemble (UIPE) Air two-piece system. (U.S. Air Force photo by Senior Airman Dwane R. Young)