Related Clues:
- Speedster's undoing
- Kind of police gun that doesn't use bullets
- Radar relative
- Hawkeye associate
- It picks up things with a dish
- M*A*S*H nickname
- Sub-tracking device
- Intuition, so to speak
- Plane detector
- Echo-sounding system
- Red October detector
- Aircraft detector system
- Ping maker
- School-searching tool
- Aid in finding sunken ships