After the &lt;a href="September%2011%20attacks"&gt;9/11 terrorist attacks&lt;/a&gt; in 2001, the United States invaded Afghanistan to capture Osama bin Laden, although he was found in neighbouring Pakistan. This invasion led to the reconstruction of Afghanistan and the reestablishment of its diplomatic relations with the rest of the world. In 2012, U.S. President Barack Obama declared Afghanistan a major non-NATO ally. American involvement in the War in Afghanistan, the longest war in the U.S. history, is scheduled to end after the withdrawal of U.S troops from the country by August 31, 2021. The Bureau of South and Central Asian Affairs handled the American foreign policy with Afghanistan.