Marines from Marine Heavy Helicopter Squadron 464, stationed at Camp Lemonnier, Combined Joint Task Force - Horn Africa, Djibouti, unload a Marine CH-53E Super Stallion helicopter, July 14, from an Air Force Reserve Command C-5B, assigned to the 439th Airlift Wing, Westover Air Reserve Base, Mass. Two CH-53E helicopters are replacing two others at the base to maintain readiness and support operations in East Africa.