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The third annual Tinker Science and Engineering Expo, hosted by the Tinker Engineers and Scientists Leadership Association, will be held from 11 a.m. to 1 p.m. at Hollywood and Vine in Bldg. 3001. Rocky Vo, with the 76th Aircraft Maintenance Group and a contestant in last year’s event, educated attendees about the B-52 Brake Rider Seat Design. (U.S. Air Force photo/Kelly White)