“This is a clear security threat,” he said. “You can see a pattern of life. You can see where a person who lives on a compound runs down a street to exercise. In one of the U.S. bases at Tanf you can see people running round in circles.”

“Big opsec and persec fail,” tweeted Nick Waters, a former British army officer who pinpointed the location of his former base in Afghanistan using the map. “Patrol routes, isolated patrol bases, lots of stuff that could be turned into actionable intelligence.”