sentences:  In 2005, Vice-Admiral Tahir was announced to be appointed as the next Chief of Naval Staff by President Pervez Musharraf and promoted as four-star rank Admiral before taking over the command of the Navy from Admiral Shahid Karimullah who was appointed for a diplomatic post in Saudi Arabia.Admiral Tahir superseded Vice-Admiral Mohammad Haroon who was serving as chief of staff under Admiral Karimullah and was senior to Admiral Tahir.In October 2005, Admiral Tahir assumed the command of the Navy and had Vice-Admiral Haroon to serve on his capacity until retiring from his service.