After the devastating , 12 January 2010 Haiti earthquake , Marines with the 22nd MEU embarked on the '' Bataan '' Amphibious ready group for Haiti in order to conduct a humanitarian assistance and disaster relief mission known as Operation Unified Response . 22nd MEU departed Camp Lejuene on 15 January and began arriving on 18 January
2010 Haiti earthquake
2010 Haiti earthquake
22nd Marine Expeditionary Unit