On board the boom defence vessel Barbain (1940) working off Sembawang, Singapore. The photographer is looking down, aft and to starboard from the port side of the bow round-down showing three crew members working with a wire strop which is connected to a large steel shackle holding two separate links of a mooring chain. The links of a large mooring chain are in the foreground. Negatives numbers P99801 to P99847 inclusive were taken on the same occasion.