He taught himself to be a pilot. During World War II, he designed a machine used to train military aircraft crews to fire guns at enemy aircraft.

VOA: special.2009.01.14

The jobs created include 10 pilot posts and six fire officers, it added.

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The aircraft maintains the air-to-air combat ability of the main F-15 fighter as the pilot can detect and fire at other aircraft.

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He identified a number of variables that could have affected the pilot's decision to fire on what turned out to be British troops.

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