Senior Airman Poler Oliveros, 436th Operations Support Squadron aircrew flight equipment, cuts residential sheathing insulation around a window opening with an utility knife July 12, 2014, at a Habitat for Humanity construction site in Frederica, Delaware. Oliveros, a Frederica resident, was one of 20 Team Dover Airmen to volunteer. (U.S. Air Force photo/Airman 1st Class Zachary Cacicia)