Coast Guard explosive-detection K-9 Feco and his handler, Petty Officer 1st Class Cory Sumner, prepare to transfer from the Hornblower cruise boat to a police department small boat after conducting interior vessel sweeps in the San Francisco Bay, Tuesday, May 2, 2017. Federal, state and local explosive-detection K-9 teams participated in a joint maritime training event that included luggage and vehicle sweeps, passenger screening and boat familiarization. Coast Guard photo by Petty Officer 2nd Class Loumania Stewart