Islamabad , Pakistan ( CNN ) -- All U.S. forces have vacated a military base in Pakistan , meeting a deadline set by Islamabad after a NATO airstrike killed dozens of soldiers , local military officials said Sunday . Pakistan requested U.S. forces to vacate the Shamsi Airbase by December 11 in response to the November 26th attack that killed 24 Pakistani soldiers in the northwest of the country . Fifty-one American personnel have left the air base , taking drone planes and other equipment with them , according to the Pakistani military officials . They did not want to be named because they are not authorized to talk to the media . Pakistan military has taken over the base , the officials said . Shamsi Airbase was one of two bases Pakistan provided the U.S. for their operations in the region . It was built in 1992 by Sheikh Zayed bin Sultan Al Nahyan , the then ruler of the United Arab Emirates .
Pakistan requests U.S. forces vacate the Shamsi Airbase by December 11 . The United States has said it will not negotiate with militants who have taken over large parts of Pakistan's tribal areas and are threatening to attack its own soil.