A South Carolina National Guardsman checks his night goggles. The Guardsmen prepare their gear before hoist recovery training aboard a CH-47F Chinook helicopter near Greenville, S.C., Aug. 10, 2017. Soldiers participating are assigned to Company B, 2nd Battalion, 238th General Support Aviation Battalion. Airmen participating are pararescuemen assigned to the 57th Rescue Squadron. Army photo by Staff Sgt. Roberto Di Giovine