Explosive and ammunition sniffing dog

Cosmo, a golden retriever, is the newest members of the San Juan Police Department Wednesday March 26, 2014 at the San Juan Police Shooting range in San Juan. Cosmo is trained to look for explosives and ammunition. Photo by Gabe Hernandez/gabrielh@themonitor.com Cosmo, a golden retriever, searches for ammunition during training Wednesday March 26, 2014 at the San Juan Police Shooting range in San Juan. Cosmo is trained to look for explosives and ammunition. Photo by Gabe Hernandez/gabrielh@themonitor.com Cosmo, a golden retriever, receives water from his handler Juan Galindo after training Wednesday March 26, 2014 at the San Juan Police Shooting range in San Juan. Cosmo is trained to look for explosives and ammunition. Photo by Gabe Hernandez/gabrielh@themonitor.com Cosmo, a golden retriever, waits for a command from handler Juan Galindo Wednesday March 26, 2014 at the San Juan Police Shooting range in San Juan. Cosmo is trained to look for explosives and ammunition. Photo by Gabe Hernandez/gabrielh@themonitor.com