Staff Sgt. Sarah Denewellis, a broadcast journeyman assigned to the 28th Bomb Wing Staff, honors fallen service members during Memorial Day at the Black Hills National Cemetery, S.D., May 29, 2017. Ellsworth Airmen honored their fallen brethren by directing traffic, helping families find gravesites of loved ones, or taking the time to sit with visitors and remember the sacrifices and successes of the fallen. (U.S. Air Force photo by Airman Nicolas Z. Erwin)