U.S. Air Force Senior Airman Anthony Castro and Master Sgt. Jonathan Herrera, assigned to the 380th Expeditionary Logistics Readiness Squadron Petroleum, Oil and Lubricants flight, pose for a photo at Al Dhafra Air Base, United Arab Emirates, Dec. 13, 2018. Castro is on his first deployment, while Herrera is potentially on his last deployment, as he’s nearing retirement. (U.S. Air Force photo by Senior Airman Mya M. Crosby)