Related Clues:
- System that detects and locates distant objects
- It sweeps the area back and forth
- Electric eye, for example
- Traffic controller's tool
- What a trooper may point at you
- Speed-tracking gun
- Weather website staple
- Word before gun or beacon
- Trooper's tool
- What stealth planes avoid
- Air traffic control device
- Plane tracking device
- Storm-tracking gear
- Trapper's tool?
- What certain jets avoid