SAN FRANCISCO - Petty Officer 2nd Class Christopher Hartman, a maritime law enforcement specialist with the Maritime Safety and Security Team San Francisco and military working dog Evy conduct explosive detection training on the moored Jeremiah O'Brien at Pier 45 in San Francisco, Friday, Aug. 19, 2011. The training uses powder scents to prepare Evy to detect and locate real threats. U.S. Coast Guard photo by Petty Officer 2nd Class Pamela J. Boehland.
Subscribe
