LINK TO ARTICLE Using its military aircraft, the U.S. is attempting to pick up on the S-400’s frequencies around the Hmeimim Airbase, which is located in Syria’s Latakia Governorate. “In recent months, US military reconnaissance aircraft and unmanned aerial vehicles have been regularly seen near the borders of Crimea and Syria. It’s about working in pairs. At the same time, the drone often operates at the very borders of airspace, forcing the Russian S-400 to work in an active mode, while military reconnaissance aircraft scan electronic signals and process them,