Colonel Robert Hargens, commander of the Lincoln-based

Colonel Robert Hargens, commander of the Lincoln-based 155th Air Refueling Wing, Nebraska Air National Guard, stands on flight line of the Nebraska National Guard air base, a row of Nebraska Air National Guard KC-135R Stratotankers appearing over his shoulders, in September 2020. Hargens, who served as commander of the wing during perhaps the busiest three years of its history, will step down as commander on Oct. 17, 2020. (Nebraska Air National Guard photo by Lt. Col. Kevin Hynes)