ALAMEDA, Calif. -- Petty Officer 1st Class Sandor Csitar delivers remarks after unveiling a plaque dedicating a canine obedience course on Coast Guard Island to his former canine partner Hawk, Wednesday, May 4, 2011. Hawk served at Maritime Safety and Security Team San Francisco for four years as an explosive detection dog until he was retired in 2008 due to a spinal defect. U.S. Coast Guard photo by Petty Officer 2nd Class Pamela J. Boehland.