Foulness Island passing of the Ministry of Defence Act 1946 and the subsequent rationalisation of five agencies in 1971, ownership of the island passed from the War Office to the Ministry of Defence. In 2003, a contract to manage the testing of munitions was awarded to the defence contractors QinetiQ, and they also control access to the island. In the 1850s, the South Essex Estuary and Reclamation Company proposed a grand scheme to reclaim around of land on the Essex coast, which would have included most of Foulness Sands and Maplin Sands. The civil engineer Sir John Rennie produced the plans, and
D'Urville Island (New Zealand) the island is relatively smooth, marked mainly by the small d'Urville Peninsula, some halfway along its length. In contrast, the west coast is marked by three large inlets: Port Hardy in the north, Greville Harbour in the centre, and Manuhakapakapa in the south. Numerous smaller islands lie off the coast, notably Stephens Island, which lies off d'Urville's northernmost point, Cape Stephens. The island's highest point, Takapōtaka / Attempt Hill () lies close to the centre of the island, due east of Greville Harbour. Most of the island's residents live close to the more sheltered east coast, with the localities of