31. Without major coastal defence measures the narrow isthmus would probably have long since been destroyed. 32. In fact, it was modified to fulfill a coastal defence role as a Martello tower. 33. Fixed coastal defence installations were constructed on Mount Marlow at Pallarenda and on Magnetic Island. 34. Bose sought and obtained agreement from the coastal defence . 35. During the war a range of coastal defences were constructed, including harbour defences for Vancouver. 36. As Lieutenant Turcopolier he was responsible for a section of the coastal defences around Birgu. 37. The class is the name for the Maritime Coastal Defence Vessel Project ( MCDV ). 38. Paull has been host to coastal defences for centuries. 39. Some of the units based in the Aqaba area also have a coastal defence role. 40. Fortunately, the 6 inch guns were for coastal defence and were unable to fire inland.