Series of good shots of destroyer HMCS Huron (#281) negotiating the Beauharnois lock on a rainy day; shots of ship rising in lock, LSs of ship leaving lock and entering lake area, shot of ship passing by camera from left to right (9:28). Shots from second camera aboard ship; shots of lock's gates opening, shots of crew on foredeck securing lines and bumpers as ship exits lock (3:17). Shot passing by Canadian freighter heading towards lock (1:35). LS of electricity transmission lines on shoreline (0:18). CS of crewmen clad in rain gear on foredeck (0:13). Series of good shots of Huron negotiating the Eisenhower lock on a rainy day; POV from bow of ship entering lock, shots of crewmen securing lines (2:38).