Portuguese ironclad Vasco da Gama armored belt that was thick on either end and thick amidships. The main battery guns were protected by thick barbettes. "Vasco da Gama" was laid down at the Thames Iron Works shipyard in London, Britain in 1875, and was launched on 1 December 1876. The ship was completed in 1878. She served as part of the coastal defense force that protected Lisbon, the Portuguese capital, and the mouth of the river Tagus. On 26 June 1897, "Vasco da Gama" participated in the Fleet Review at Spithead celebrating Queen Victoria's Diamond Jubilee. At the time, the ship was commanded by Captain
Vasco da Gama of sight of land made by that time. By 16 December, the fleet had passed the Great Fish River (Eastern Cape, South Africa) – where Dias had anchored – and sailed into waters previously unknown to Europeans. With Christmas pending, da Gama and his crew gave the coast they were passing the name Natal, which carried the connotation of "birth of Christ" in Portuguese. Vasco da Gama spent 2 to 29 March 1498 in the vicinity of Mozambique Island. Arab-controlled territory on the East African coast was an integral part of the network of trade in the Indian Ocean. Fearing