Satellite imagery taken on June 19 of Prince Sultan Air Base in Saudi Arabia reveals a significant buildup of military aircraft belonging to U.S. and allied air forces. Over the past week, the base has seen the arrival of a large number of assets, including at least 54 F-16 fighter jets, 22 KC-135 aerial refueling tankers, and 11 C-130 transport aircraft, along with several other aircraft visible on the tarmac and within aircraft shelters.