Las Vegas Sun

May 24, 2013

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The Thunderbirds, the U.S. Air Force Air Demonstration Squadron, flies over the Las Vegas Motor Speedway prior to the start of the during the Kobalt Tools 400 NASCAR race Sunday, March 10, 2013.

Steve Marcus

The Thunderbirds, the U.S. Air Force Air Demonstration Squadron, flies over the Las Vegas Motor Speedway prior to the start of the during the Kobalt Tools 400 NASCAR race Sunday, March 10, 2013.