locks onto
- targetsIntended aims or marks
- focusesConcentrates attention on
- aimsPurposes or targets
- hones inFocuses with precision
- trackingMonitoring location over time
missile · radar · fixates · latches · grips · engages · acquires · pursues · homes in · sights · beams · laser · predator · hunter · crosshairs · pinpoints · catches · seizes