 After two months of advances, pro-government forces took control of ISIL's Sirte headquarters on 10 August 2016, although pockets of ISIL resistance continued to prolong fighting through the end of the year.Sirte was substantially under the control of the GNA by 6 December 2016.A contributing factor to the recapture of the city were the over 400 airstrikes organized by the United States Africa Command against ISIL positions during the months-long battle.