It’s double the size of a 50-caliber shell, going at least 1 kilometer per second. That’s like running ten football fields in one second, explained Scott Harris, a planetary geologist at the ...
Drug syndicates have used .50-caliber ammunition, produced at a plant owned by the U.S. Army and then smuggled across the border, in attacks on Mexican civilians and police. By Ben DooleyIsabella Cota ...