Sources Sought DEPT OF DEFENSE DEPT OF THE AIR FORCE is seeking sustainment and modernization services for the AN/FSY-3 Space Fence radar system. The AN/FSY-3 Space Fence radar system is used for search, detection, navigation, guidance, aeronautical, and nautical systems and instrument manufacturing. The place of performance is Kwajalein Atoll, Kwajalein, MARSHALL ISLANDS. For more information, contact Victoria Lloyd at victoria.lloyd@spaceforce.mil or 7192389583.