Arabian Gulf, Arabian Gulf
A US Air Force fuel controller measures the level of fuel in a bladder used to fill US Air Force's KC-10...
A US Air Force fuel controller measures the level of fuel in a bladder used to fill US Air Force's KC-10 Extender that provides mid-air refueling support to Operation Inherent Resolve over Iraq and Syria, at an Air Force Base in Arabian Gulf, March 13, 2017. REUTERS/Hamad I Mohammed