An amusing incident occurred with the American military helicopter. The crew accidentally dropped a container with ammunition on the roof of an elementary school in El Paso, Texas. The helicopter flew from the military base. Flying over the educational institution, for some reason, the box with projectiles flew down and collapsed onto the roof. Fortunately, no one was hurt, and the roof of the school suffered minor damage, KTSM reported.. At the same time, there was no known technical failure or it was a pilot error. The command of the military base apologized and promised to change the routes of cargo delivery in order to avoid casualties and accidents. Which ammunition was not specified in the containers.