A Wintry Takeoff
A KC-135 Stratotanker, assigned to the 171st Air Refueling Wing, takes off at the Pittsburgh International Airport Air Reserve Station, Pa., January 17, 2018. The KC-135 is an aerial refueling aircraft and has provided the core aerial refueling capability for the United States Air Force for over 50 years. (U.S. Air Force photo by Senior Airman Beth Kobily)