With intense focus, Staff Sgt. Kevin Gimenez, an Arizona Air National Guard KC-135 Stratotanker boom operator, refuels a NATO E-3A Sentry over northern Germany during a training mission Nov. 16. Airmen from the 161st Air Refueling Wing based in Phoenix are supporting aircrew training operations Nov. 9-20 at NATO Air Base Geilenkirchen, Germany. (U.S. Air National Guard photo by Lt. Col. Gabe Johnson)