Why Are the Most Vital Aircraft in the USAF Arsenal Owned by NASA?

gizmodo.com - 2/12/2013

While chatter between the US Air Force is spoken exclusively in English, communications between their aircrafts' electronic systems is more akin to the United Nations cafeteria—a "dog's breakfast of different datalinks," according to Lt. Gen. William Lord. Since the numerous competing defense contractors tasked with building military aircraft often install contradicting and incompatible systems, the USAF employs a pair of legacy NASA fliers to act as battlefield interpreters.

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