HARBOR SECURITY — U.S. Navy Petty Officer 3rd Class Rick Bolander mans one of three M60 machine guns onboard the patrol catamaran ‘Defender One,’ as he watches the bay for boats approaching within 100 yards of a submarine in San Diego, Calif., July 14, 2004. The sailors form a harbor security unit. U.S. Navy photo by Petty Officer 2nd Class Johansen Laurel