SAN DIEGO - Petty Officer 2nd Class Nick Antis his partner Ryder, a two and a half-year-old Belgian Malinois, work together inspecting vehicles near a pier in San Diego for any possible explosives Tuesday, February 8, 2011. Ryder has clued in on a planted 'explosive' and communicates his find to Antis by changing his demeanor ever so slightly. The two assigned to the Maritime Safety and Security Team (MSST) 91109 in Long Beach, Calif., and have been a team since September 2010 keeping ports safe. U.S. Coast Guard photo by Petty Officer 1st Class Allyson E.T. Conroy.