Easily the most heartwarming and heartbreaking thing I've seen in ages. They say that a dog is a man's best friend, and for Navy SEAL Jon Tumilson, 35, and his beloved and loyal dog Hawkeye, not even death could break this powerful bond. Petty Officer Tumilson, from Rockford, Iowa, was one of 22 Navy SEALS who died when their Chinook helicopter was shot down by Afghan insurgents, claiming the lives of 30 Americans.