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Photograph 014535 Second World War, 1939-1945The Royal Australian Navy on boom defence duty at Darwin harbour. An unidentified naval boilermaker welding a steel patch onto a buoy which has been returned to the shore depot for repairs.

The Australian War Memorial Collection. Test site
The Royal Australian Navy on boom defence duty at Darwin harbour. An unidentified naval boilermaker welding steel nuts, which are used to tighten the metal clamps on the pendant chain. The pendant chain is passed through the tubes in first class buoys which are used for mooring the nets. Piles of chain are visible in the background.
The Royal Australian Navy on boom defence duty at Darwin harbour. An unidentified naval boilermaker welding a steel patch onto a buoy which has been returned to the shore depot for repairs.

The Royal Australian Navy on boom defence duty at Darwin harbour. An unidentified sailor using a sledge hammer to loosen a shackle on a large mooring buoy, which has been bought ashore for repairs. Th

The Royal Australian Navy on boom defence duty at Darwin harbour. An unidentified Australian sailor watches as a string of buoys supporting a boom defence net are being towed into the net area of Darw

The Royal Australian Navy on boom defence duty at Darwin harbour. Looking forward showing the horns of a boom working vessel. A cylindrical buoy has been lifted from the sea to enable a shackle to be

The Royal Australian Navy on boom defence duty at Darwin harbour. A Bar Class boom working vessel, possibly HMAS Karangi, engaged on repairs to the anti submarine net. The sailors are working on one o

The Royal Australian Navy (RAN) on boom defence duty at Darwin harbour. Unidentified RAN riggers, working from a Bar class, boom defence vessel, securing buoys at the boom defence line, prior to comme
