CAMP GRAYLING, Mich. – U.S. Marines with 4th Reconnaissance

CAMP GRAYLING, Mich. – U.S. Marines with 4th Reconnaissance Battalion, 4th Marine Division, Marine Forces Reserve, rappel off of a U.S. Navy HS-14 SH-60F Seahawk from Helicopter Sea Combat Squadron 14, onto the parade field of Camp Grayling Joint Maneuver Training Center, Michigan, during Exercise Northern Strike 17, August 6, 2017. Exercise Northern Strike is a National Guard Bureau-sponsored training exercise that unites service members from multiple branches, states and coalition countries to conduct combined ground and air combat operations. (U.S. Marine Corps photo by Lance Cpl. Ricardo R. Davila/Released).