HAW C-17 Air Refueling Training

A C-17 Globemaster III flies behind a U.S. Air Force KC-135 during an aerial-refueling training exercise over Germany, Oct. 19, 2017. The C-17 was operated by the Heavy Airlift Wing, Papa Air Base, Hungary, which is comprised of approximately 145 personnel from 12 nations. (U.S. Air Force photo by Airman 1st Class Luke Milano)

A C-17 Globemaster III flies behind a U.S. Air Force KC-135 during an aerial-refueling training exercise over Germany, Oct. 19, 2017. The C-17 was operated by the Heavy Airlift Wing, Papa Air Base, Hungary, which is comprised of approximately 145 personnel from 12 nations. (U.S. Air Force photo by Airman 1st Class Luke Milano)

A C-17 Globemaster III flies behind a U.S. Air Force KC-135 during an aerial-refueling training exercise over Germany, Oct. 19, 2017. The C-17 operates out of Papa Air Base, Hungary, by the Heavy Airlift Wing which is made up of personnel from 12 countries. (U.S. Air Force photo by Airman 1st Class Luke Milano)

A C-17 Globemaster III flies behind a U.S. Air Force KC-135 during an aerial-refueling training exercise over Germany, Oct. 19, 2017. The C-17 operates out of Papa Air Base, Hungary, by the Heavy Airlift Wing which is made up of personnel from 12 countries. (U.S. Air Force photo by Airman 1st Class Luke Milano)

A U.S. Air Force KC-135 performs a dry contact with a C-17 Globemaster III during an aerial-refueling training exercise over Germany, Oct. 19, 2017. The training exercise was done in support of the Strategic Airlift Command operated out of Papa Air Base, Hungary. Strategic Airlift Command consists of 12 NATO and Partnership for Peace nations. (U.S. Air Force photo by Airman 1st Class Luke Milano)

A U.S. Air Force KC-135 performs a dry contact with a C-17 Globemaster III during an aerial-refueling training exercise over Germany, Oct. 19, 2017. The training exercise was done in support of the Strategic Airlift Command operated out of Papa Air Base, Hungary. Strategic Airlift Command consists of 12 NATO and Partnership for Peace nations. (U.S. Air Force photo by Airman 1st Class Luke Milano)

A U.S. Air Force KC-135 performs a dry contact with a C-17 Globemaster III during an aerial-refueling training exercise over Germany, Oct. 19, 2017. The training exercise was done in support of the Strategic Airlift Command operated out of Papa Air Base, Hungary. Strategic Airlift Command consists of 12 NATO and Partnership for Peace nations. (U.S. Air Force photo by Airman 1st Class Luke Milano)

A U.S. Air Force KC-135 performs a dry contact with a C-17 Globemaster III during an aerial-refueling training exercise over Germany, Oct. 19, 2017. The training exercise was done in support of the Strategic Airlift Command operated out of Papa Air Base, Hungary. Strategic Airlift Command consists of 12 NATO and Partnership for Peace nations. (U.S. Air Force photo by Airman 1st Class Luke Milano)

RAF MILDENHALL, England -- A C-17 Globemaster III flies behind a U.S. Air Force KC-135 during an aerial-refueling training exercise over Germany, Oct. 19, 2017. The C-17 was operated by the Heavy Airlift Wing, Papa Air Base, Hungary, which is comprised of approximately 145 personnel from 12 nations. (U.S. Air Force photo by Airman 1st Class Luke Milano)