No one was hurt when the periscope on USS Jacksonville (SSN 699), a Los Angeles-class submarine, struck a vessel while operating in the Arabian Gulf Jan. 10 at approximately 5 a.m. local time. Jacksonville surfaced from periscope depth to ascertain if there was any damage to the unidentified vessel. The vessel continued on a consistent course and speed offering no indication of distress or acknowledgement of a collision. Damage appears to be limited to one of Jacksonville's two periscopes. The reactor remains in a safe condition, there was no damage to the propulsion plant systems and there is no concern regarding watertight integrity. A U.S. P-3 Orion aircraft conducted a search of the area and saw no debris in the water or vessels in distress. The airborne search of the area is complete.