U.S. agrees to withdraw troops from Niger

Read MoreNiger has been home to a major U.S. airbase in the city of Agadez, some 550 miles from the capital Niamey, using it for manned and unmanned surveillance flights and other operations.Niger has been home to a major U.S. airbase in the city of Agadez, some 550 miles from the capital Niamey, using it for manned and unmanned surveillance flights and other operations.