KC-135s from the 100th Air Refueling Wing, England, and 434th Air Refueling Wing, Grissom Air Reserve Base, Indiana, land at Powidz Air Base, Poland, in preparation for exercise Baltic Operations 2016, June 2, 2016. Fifteen NATO and two partner nations will participate in the 44th iteration of the multinational maritime exercise BALTOPS 2016 in Estonia, Finland, Germany, Poland, Sweden, and throughout the Baltic Sea, June 3-19, 2016. (U.S. Air Force photo by Senior Airman Erin Babis/Released)