The Missile Defense Agency is laying the groundwork for a new Ballistic Missile Defense System layer to defend North America from enemy cruise missiles as Air Force leaders eye options for how the U.S. and Canada might better defend against low-flying, air-breathing threats. MDA and the Air Force are responding to U.S. Northern and North American Aerospace Defense commands' increasing concern with advanced cruise missiles carried by Russian aircraft and submarines with the range and accuracy to strike U.S. and...
