The Defense Department plans to spend $418 million through 2024 to keep the Cobra Dane radar in Alaska -- built in 1976 and slated to remain in use until at least 2030 -- operational, according to an audit of an Air Force report to Congress on the missile defense and space surveillance sensor. A Government Accountability Office audit of an Air Force report to lawmakers on the Cobra Dane radar on Shemya Island, AK, found the Defense Department plans to...