"Active Protection System" . . "active protection system (APS)" . "Active protection system" . . "active protection" . . . . "Active Protection Systems" . "soft-kill active protection system" . "active protection systems (APS)" . . "Softkill Active protection system" . . "active defense" . . "soft-kill" . . "hard-kill" . "hit avoidance systems" . "countermeasures" . "Active protection system" . . . . . "active protection system" .