31st Marine Expeditionary Unit - Fast Rope to Marksman Exercise

31st Marine Expeditionary Unit, Maritime Raid Force participates in a fast rope to marksman exercise aboard USS America (LHA 6). The 31st Marine Expeditionary Unit is one of seven Marine Expeditionary Units in existence in the United States Marine Corps. The Marine Expeditionary Unit is a Marine Air Ground Task Force with a strength of about 2,200 Marines and sailors. Credit: U.S. Navy videos by Mass Communication Specialist 3rd Class Vincent E. Zline