/learn/publications/b/blog/posts/smart-munitions-technology-takes-a-step-toward-naval-useRaytheon has successfully fired its new Excalibur N5 projectile during a recent live guided flight test at Yuma Proving Ground, Ariz. It was fired from a 5-inch naval gun during testing (shown, top photo). Excalibur N5 (bottom photo) is a 5-inc...en-USTelligent Community 12