Radar was used by England to detect incoming planes
World War 2 saw the first wartime use of radar.
Aerial reconnaissance and radar.
radar is an object detectotion system
radar
Radar
Radar and rockets
i DON'T KNOW DOES THAT ANSWER YOUR QUESTION?
To detect enemys on the radar.
detector diodes in RADAR sets
Sonar, RADAR and satellites and space travel improved the accuracy of maps after World War 2.
yes, late in the war and mostly limited to night fighters
Radar : radio detection and ranging .