PEACE BOAT
This ship, the "SS Oceanic" is a ship embarked on a cruise under the Peace Boat organization.
This webmast spotted it tranversing the locks on June 17, 2011

Length: 782 ft. 3 in.    Beam: 96 ft. 6 in.    Draft: 28 ft. 3 in.
Power Source: (4) DeLaval steam turbines;     Propulsion: (2) propellers
Speed: 30.5 knots service – 27.25 knots Maximim Capacity: 1600 Passengers, 560 Crew