'The Turkish government secretly investigated U.S. airmen deployed to Turkey, monitoring their movements and alleging they were connected to a failed coup attempt against President Recep Tayyip Erdoğan in July 2016, according to documents unearthed by Turkish dissidents...Nordic Monitor alleges that the reports also contained information about more sensitive missions, including U.S. troops working on the High Mobility Artillery Rocket System deployed in southern Turkey and operations involving the Shadow Tactical Unmanned Aircraft System'
www.airforcetimes.com

Big Brother’s watching: Turkey secretly tracked US airmen, documents allege
The fact that a host nation kept tabs on U.S. operations isn’t necessarily malicious, or surprising, U.S. officials said.