British soldiers with the 4th Battalion, Parachute Regiment (4 PARA), perform platoon attacks during Northern Strike Exercise (NS21) at the Camp Grayling Maneuver Training Center, Grayling, Michigan, Aug. 8, 2021. The 4 PARAs are at NS21 to qualify at high readiness for missions and will be the only British reserve unit with that qualification. (U.S. Air National Guard photo by Staff Sgt. Jacob Cessna)