Senior Airman David Brink, 18 ARS boom operator, refuels a member of the U.S. Thunderbirds Demonstration Squadron, Feb. 16, 2018. Brink, the third-generation member of a family who has been flying KC-135 aerial refueling aircraft almost continuously since 1964, made more than 21 contacts with the six aircraft. (U.S. Air Force photo by Tech. Sgt. Abigail Klein)