Landing Gear Check Air Force Senior Airman Castulo checks the front landing gear on a KC-135 Stratotanker aircraft after takeoff from Al Udeid Air Base, Qatar, April 6, 2016. Castulo is an aerial refueling specialist assigned to the 340th Expeditionary Air Refueling Squadron. Air Force photo by Tech. Sgt. Nathan Lipscomb SHARE: Download: Full Size (1.81 MB) Credit: Tech. Sgt. Nathan Lipscomb VIRIN: 160406-F-XD880-093A.JPG Photo Gallery