Assertion: bushman | /r/CapableOf | span a forty-year career
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text: Spanning a forty-year career, Bushman was employed by Hughes Aircraft, General Dynamics, Texas Instruments, and Lockheed Martin during which time he was awarded twenty six patents (some are still classified) for his work on the Stinger (formerly Redeye) missile system, laser-guided smart bombs, imaging systems, and magnetic-related technologies.