A KC-130 flies over Roberts Airfield, Liberia before landing. The Hercules is carrying Marines from the Special Purpose Marine Air Ground Task Force Crises Response 14-2, out of Moron, Spain. The Marines brought with them four MV-22 Ospreys to help move supplies and equipment around Liberia. The Marines are helping move supplies and equipment around Liberia assisting in the building Ebola treatment units. The U.S. Agency for International Development is the lead U.S. government organization for Operation United Assistance. U.S. Africa Command is supporting the effort by providing command and control, logistics, training and engineering assets to contain the Ebola virus outbreak in West African nations.