What You Need to Know: Railguns, which use electromagnetic force to launch high-speed projectiles, have long been pursued by military powers ... be sidelining its rail gun efforts completely.

The US Navy is working on a few railgun projects that will eventually replace the largest guns on the fleet’s cruisers and destroyers. These rail guns will fire a projectile away from the ship ...

The gun from the USS Ward could be taken to the future Minnesota Military and Veterans Museum at Camp Ripley in Little Falls.