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            AIR FORCE PHOTOS
   140506-F-OS776-019
                Col. Marcus Cranston starts a four mile run May 7, 2014, in Las Vegas. Cranston ran four miles in 44 countries in four weeks that raised awareness for Parkinson's disease that began April 4, 2014. Cranston's first run began in Mongolia and his last run ended in Las Vegas. Cranston is the 99th Medical Group director of medical education endocrinology and preventive medicine, (U.S. Air Force photo by Senior Airman Christopher Tam)

                PHOTO BY:
                        Senior Airman Christopher Tam
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                        IMAGE IS PUBLIC DOMAIN
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                                This photograph is considered public domain and has been cleared for release.
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