[𝐔𝐧𝐢𝐭𝐞𝐝 𝐍𝐚𝐭𝐢𝐨𝐧𝐬 𝐒𝐩𝐚𝐜𝐞 𝐂𝐨𝐦𝐦𝐚𝐧𝐝 𝐌𝐚𝐫𝐢𝐧𝐞 𝐂𝐨𝐫𝐩𝐬] [𝐈𝐧𝐟𝐨𝐫𝐦𝐚𝐭𝐢𝐨𝐧] The UNSC Marine Corps is a branch of the United Nations Space Command's Armed Forces responsible for conducting land-based expeditionary combat operations, using the mobility provided by the UNSC Navy to rapidly deliver forces. The 3rd Marine Expeditionary Brigade is currently deployed to Zeta. [𝐃𝐞𝐩𝐥𝐨𝐲𝐞𝐝 𝐔𝐧𝐢𝐭𝐬] 3rd Marine Expeditionary Brigade 405th Infantry Regiment 2nd Marine Aviation Wing 7th Shock Troops Battalion 5th Force Reconnaissance Battalion [𝐃𝐮𝐭𝐢𝐞𝐬] Expeditionary warfare. [𝐌𝐞𝐦𝐛𝐞𝐫𝐬𝐡𝐢𝐩] Enlistment.