Senior Airman Thriston Noel, 351st Air Refueling Squadron boom operator, refuels an F-16 Fighting Falcon, 510th Fighter Squadron, from a KC-135R Stratotanker during BALTOPS exercise over Latvia, June 7, 2017. The U.S. Air Force is supporting this exercise with approximately 900 Airmen, eight F-16s from the 31st Fighter Wing, Aviano Air Base, Italy,