- Anti-submarine boom (Lake Macquarie WWII)
The anti-submarine boom was a submarine and small boat defence boom that was located at the entrance to
Lake Macquarie ,New South Wales ,Australia duringWorld War II .It spanned the entire width of the lake channel between Grannies Pool, Blacksmiths and Lucy’s Wall,
Swansea Heads . It was built to protect the large flying boat base, RAAF Rathmines at Rathmines and as part of southern perimeter defence ofFortress Newcastle .The boom was constructed with a series of poles embedded within lake channel supported by a net of steel cables. A gap in the middle of the boom could be raised with the aid of winches. A pill box and machine gun emplacement were constructed at the Blacksmith’s (northern) end of the boom. Trenches zigzagged between Swansea Heads and
Caves Beach on the southern side.ee also
*
Sydney Harbour anti-submarine boom References
* Not just a stone frigate: HMAS Maitland Newcastle, New South Wales F&J Rice 2006
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