Military secrets in the age of the Internet are obviously secrets only until someone has to win a dispute. A fan of the game War Thunder, a free multiplayer simulator of combat equipment, posted a classified document of the Chinese army in the online forum of the game. Why? To show that he is right about the characteristics of an anti-tank projectile. So he published a seemingly official document with the characteristics of DTC10-125 – an anti-tank projectile used today by the Chinese army. The task of this type of projectile is to break through the armor of the tank...