AP
FILE - In this Jan. 15, 2018, file photo, U.S. Marines watch during the change of command ceremony at Task Force Southwest military field in Shorab military camp of Helmand province, Afghanistan. Afghan forces backed by U.S. troops in Afghanistan’s turbulent Helmand Province gained ground in recent months, but the Taliban still maintains control over roughly half the province, according to the senior Marine commander who just returned from a nine-month deployment to the region. (AP Photo/Massoud Hossaini, File)