The U.S. embassy in Karachi was established August 15, 1947 with Edward W. Holmes as Chargé d'Affaires ad interim, pending the appointment of an ambassador. The first ambassador, Paul H. Alling, was appointed on September 20, 1947. Anne W. Patterson was nominated as United States Ambassador to Pakistan in May 2007, replacing Ryan C. Crocker who was appointed United States Ambassador to Iraq after completing three years of service in Pakistan. In 2010, her post was succeeded by Cameron Munter. The American ambassador is based in the U.S. Embassy, Islamabad. Ambassadors Notes See also Embassy of the United States, Islamabad Pakistan – United States relations Foreign relations of Pakistan Ambassadors of the United States References United States Department of State: Background notes on Pakistan External links United States Department of State: Chiefs of Mission for Pakistan United States Department of State: Pakistan United States Embassy in Islamabad United States Pakistan