U.S. Marines review how to make nine-line calls on a radio during a communications exercise at the Jungle Warfare Training Center in Okinawa, Japan, Oct. 17, 2018. (U.S. Marine Corps photo by Pfc. Kindo Go) Marine Corps outlines priorities for improving tactical data and communications capabilities Marine Corps Systems Command has several priorities for improving how Marines talk and pass data at the tactical edge in the next two years. May 19, 2022 By Mark Pomerleau