English: Capt. Amy Upton, operations officer, Combat Logistics Battalion 22, 22nd Marine Expeditionary Unit (center), explains the logistical aspects of the 22nd MEU's final wash before returning to Camp Lejeune, N.C., to Col. Gareth F. Brandl, commanding officer, 22nd MEU, at Guantanamo Bay, Cuba, March 27. The wash down is a standard process that prevents foreign soil, agriculture and organisms from contaminating the U.S. The 22nd MEU, embarked aboard USS Bataan, deployed in support of Operation Unified Response after an earthquake devastated the country of Haiti, Jan. 12. Local and national government leaders, the United Nations, and non-governmental organizations took over primary responsibilities of humanitarian assistance and disaster relief operations within the 22nd MEU's area of responsibility.