Balsa wood, is that you? Is this me?

A tank made of wood that was used by Islamic State militants as a diversion tactic is seen in Bawiza, north of Mosul, Iraq November 13, 2016. REUTERS/Ari Jalal
Reports from Iraqi and allied forces advancing around Mosul is that the Islamic State forces are using bearded mannequins, wooden tanks and other props to help draw fire away from their positions.
While easy to discern as fakes up close, from the soda-staw eyes of a drone camera hundreds of feet in the air, or the binos of a commander a half-mile out, they look a lot like the real thing.
The thing is, the U.S. military has done this for 150 years.