. "BMEWS" . . . . "Ballistic Missile Early Warning System" . . . "to detect an incoming attack" . "RCA 474L Ballistic Missile Early Warning System" . "1958\u20131961 (complete FOC was January 15, 1964)" . "Ballistic Missile Early Warning System" . . "AN/FPS-49" . . . "ballistic missile early warning" . . "AN/FPS-50" . "early warning network" . "early-warning" . . . . "Ballistic Missile Early Warning" . . . "early warning system" . "early warning station" .