During the war he led the research, development and production of a fully automatic airborne radar system to warn aircrews of enemy fighters approaching from the rear.

This was the first confirmed successful use of airborne radar known to history.

The problem was not the availability of suitable aircraft but the lack of an effective airborne radar.

It was the first air victory for the airborne radar.

Other capabilities are extended visual and electronic searches over land or water, tactical airborne radar approaches and unimproved airfield operations.