A boat crew, from Coast Guard Maritime Safety and Security Team 91107 from Honolulu, patrols the temporary security zone established outside of Chambers Bay, Wash., June 15, 2015. The purpose of the security zone is to ensure the safety and security of participants, spectators, and event officials at the U.S. Open Golf Championship, by prohibiting any person or vessel from entering or remaining in the security zone, unless authorized by the captain of the port or his designated representative. (U.S. Coast Guard photo by Petty Officer 3rd Class Amanda Norcross)