Airplanes and trains use __________ systems for their control and path

1.	Airplanes and trains use __________ systems for their control and path finding.pls little fast
Answer» ANSWER: GPS Explanation: I think GPS is USED by AIRPLANES for FINDING directions.

Airplanes and trains use __________ systems for their control and path finding.pls little fast

Answer»

Explanation:

I think GPS is USED by AIRPLANES for FINDING directions.