THE DOGS OF WAR . . Environmental Research Foundation . . P.O. Box 5036, Annapolis, MD 21403 . .
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To subscribe, E-mail the words . . These dogs served as scouts, sentries, trackers, mine detectors, and tunnel explorers. D.C. During the late 1980s, researchers compared autopsy records of 1167 military working dogs with Vietnam service against autopsy records of 791 military working dogs who served in the continental U.S. and saw no Vietnam service. A separate study was then conducted, excluding the dogs who had testicular cancer. Dogs have often served as sentinels of human disease.