Army Sgt. Kelby Shifflett, left, and Sgt. Anthony McCall, right, UH-60 Black Hawk helicopter crew chiefs assigned to Charlie Company, 1st General Support Aviation Battalion, 169th Aviation Regiment, Oklahoma Army National Guard, conduct preflight checks on an external rescue hoist while preparing to deploy from Lexington, Okla., to support the Hurricane Florence relief effort, Sept. 13, 2018. Army National Guard photo by Sgt. Brian Schroeder