Cpl. Joseph Howell, a tactical switching operator with Combat Logistics Regiment 4, 4th Marine Logistics Group, kneels down and takes account of his surroundings on a patrol during the Marine Expeditionary Force Exercise in Kansas City, Mo., Feb. 22, 2015. Howell was part of the acting guard force during the exercise with I MEF. The exercise enabled Marines to improve interoperability between the active and Reserve component, while preparing them with a realistic training environment at the force level. - Cpl. Joseph Howell, a tactical switching operator with Combat Logistics Regiment 4, 4th Marine Logistics Group, kneels down and takes account of his surroundings on a patrol during the Marine Expeditionary Force Exercise in Kansas City, Mo., Feb. 22, 2015. Howell was part of the acting guard force during the exercise with I MEF. The exercise enabled Marines to improve interoperability between the active and Reserve component, while preparing them with a realistic training environment at the force level.