The projectile went down toward the ground, so nobody was injured," said Charles County Sheriff Spokesperson Diane Richardson. "We’re looking into the possibility the student got the gun from a ...

BAE Systems (Booth 613) is developing a hypervelocity projectile, or HVP, for the U.S. Navy’s Mark 45 5-inch gun as a counter-unmanned aerial system option to engage aerial targets. The Mk45 is ...