VIEW OF THE AUXILIARY MINESWEEPER HMASCASTLEMAINE (J244). NOTE THE 4 INCH GUN FORWARD AND 20 MM OERLIKON AA GUNS IN THE BRIDGE WINGS. (NAVAL HISTORICAL
DescriptionHMAS-Castlemaine-gun-3-1.jpgHMASCastlemaine Bathurst-class corvette, berthed at Gem Pier, Wiliamstown, Victoria, Australia. The 40mm Bofors AA gun.