U.S. Marine Corps 1stLt. Sean Harper, Executive Officer

U.S. Marine Corps 1stLt. Sean Harper, Executive Officer with Headquarters Company, 7th Marine Regiment, communicates with Comabt Operations Center while on a detached reconnaissance patrol during exercise Steel Knight (SK) 2019 at Marine Corps Air Ground Combat Center, Twentynine Palms, California, Dec. 1, 2018. SK is an annual exercise used to enhance the Marines and Sailors skills, tactics, and combat readiness by performing in various dynamic scenarios, ground combat maneuver operations, and live fire ranges. (U.S. Marine Corps photo by Sgt. Kyle C. Talbot)