Col. Scott Plambeck, the Vice Commander of the 185th Air Refueling Wing, reads the oath of enlistment to Tech. Sgt. Eric Olson in Sioux City, Iowa, April 3, 2016. Olson was the 100th recruit of Staff Sgt. Wesley Rueter, a recruiter assigned to the 185th ARW. (U.S. Air National Guard photo by Staff Sgt. Daniel S. Ter Haar./Released)