Four Republic of Singapore Air Force CH-47D Chinooks and 80 personnel arrived at Ellsworth Air Force Base, S.D., June 10, 2016, to use Ellsworth as their home station during the South Dakota National Guard’s annual Golden Coyote exercise. The RSAF personnel will be conducting joint training with Airmen, providing vital opportunities for Ellsworth members to participate in combat search and rescue exercises in the Powder River Training Complex. (U.S. Air Force photo by Airman Donald Knechtel/Released)