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Ty Nordstrom giggles as a bearded dragon reptile sits on his head July 2008, at the Houston Zoo, Texas. He was diagnosed with cancer October 2007, just before his 5th birthday. Ty and his family were in Houston for eight weeks of proton radiation therapy. Ty died in November 2009, one month before his seventh birthday. His dad, Master Sgt. Lyle Nordstrom, the 352nd Special Operations Group Inspector General superintendent, said his son loved animals and always wanted to go to zoos, aquariums and safari parks. (Courtesy photo)