From left: Col. Damon Delarosa, commander of the U.S. Army Corps of Engineers – Alaska District; Lt. Col. William Hassey, commander of Clear Space Force Station; and Randy Bowker, deputy for program management at the Alaska District; attend the initial fielding ceremony for the long range discrimination radar on Dec. 6 at Clear Space Force Station. The Alaska District managed the construction of the $1.5 billion facility over the course of nearly five years to strengthen the national defense mission against potential threats from foreign adversaries.