On board the boom defence vessel Barbain (1940) working off Sembawang, Singapore. The photographer is looking forward and slightly to port from the starboard side abreast the mast showing four lengths of heavy duty chain laid out on deck having been hauled up over the round-down for maintenance. Three crew members and two officers are on the bow horns discussing the proceedings. Negatives numbers P99801 to P99847 inclusive were taken on the same occasion.