U.S. Air Force Maj. Gen. Eric Vollmecke, Air National Guard mobilization assistant to the U.S. Air Forces in Europe – Air Forces Africa commander, center right, speaks to members of the press during a theater security package deployment at Leeuwarden Air Base, Netherlands, April 12, 2016. The U.S. Air Force and other services have increased their rotational presence in Europe to reassure allies and partner nations about the U.S.’s commitment to European security and stability. (U.S. Air Force photo by Staff Sgt. Joe W. McFadden/Released)