from France while operating s that was refitted and upgraded by the Turkish Navy. Due to the Egyptian blockade of the Suez Canal, the Navy had to execute a notable submerged circumnavigation operation from the Indian Ocean through the Atlantic Ocean in order to undergo a refit program at the Gölcük Naval Shipyard in Turkey which was the only facility to manage the refitting and mid-life upgrades of military computers of the Tench class. Despite reservations harbouring by the Navy NHQ about the ageing Ghazi, she was sailed under the command of Commander Ahmed Tasnim starting from the Karachi coast in Indian Ocean to Cape of Good Hope, South Africa, through the Atlantic Ocean and ended at the east coast of the Sea of Marmara where the Gölcük Naval Shipyard was located. In 1968–69, the Navy NHQ staff began its tussle with the Air AHQ staff over the issue establishing the naval aviation who feared the loss of fighter jets and their pilots in the sea and was hostile towards this idea. The United States entered in discussing the transfer of P3B Orion aircraft to the Navy in 1970 with Yahya administration but were not procured until the end of the 1970s. In 1970, the foreign relations between Pakistan and East Pakistan further deteriorated and the Navy knew that it was impossible to defend East Pakistan from approaching Indian Navy. Series of reforms were carried when Navy's serious reservations were considered by the Yahya administration and East Pakistanis were hastily recruited in what was known as Eastern Naval Command (Pakistan) but this proved to be disaster for Navy when majority of Bengali naval officers and ~3,000 sailors defected to India to join the Awami League's military wing– the Mukti Bahini. Such events had jeopardised the operational scope of the Navy and the Navy NHQ staffers and commanders knew very well that it (Navy) was ill-prepared for the war and Pakistan was about to learn the consequences of disconnecting strategy from reality. Indo-Pakistan war of 1971 By 1971, the Navy NHQ staffers and their commanders knew very well that the Pakistan Navy was poorly represented in East Pakistan (now Bangladesh) and there was no main infrastructure to conduct defensive operation against the Eastern Naval Command of Indian Navy in Bay of Bengal. The Navy was only able conducted the riverine-based operations that was being undertaken by the Pakistan Marines with the