U.S. Air Force Airman 1st Class Andrew Cole, a boom operator with the 909th Air Refueling Squadron, guides a KC-135 Stratotanker aircraft refueling boom into position during an aerial refueling operation with an F-15 Eagle aircraft assigned to the 67th Fighter Squadron over the Pacific Ocean Oct. 28, 2013. The F-15s were en route to Kadena Air Base, Japan, after completing a three-week deployment to Singapore designed to improve international cohesion and further develop allied partnerships for the security of the Asia-Pacific region.