Marine Aircraft Group 40 is a composite United States Marine Corps aviation unit that is based in Marine Corps Air Station Cherry Point and was deployed to Afghanistan in 2009. They served as the aviation combat element for 2nd Marine Expeditionary Brigade which was supporting Operation Enduring Freedom from spring 2009 through April 4, 2010 when they were relieved by the 3rd Marine Aircraft Wing (Fwd). The group is currently composed of two CH-53 squadrons, one light attack helicopter squadron, one AV-8B Harrier II squadron, one MV-22 Osprey squadron, one KC-130 tactical aerial refueling squadron, one unmanned aerial vehicle squadron and an aviation logistics squadron.