It's anybody's guess what kind of threat a machine guns or lasers can't defeat on their own (Mothra? Decepticons? Kraken?). But now that 19th century ballistic technology has teamed up with 21st century ray gun tech, whatever that enemy may be will think twice about messing with a U.S. Navy warship
Boeing, BAE to Build 'Laser Machine Gun' - FoxNews.com
Boeing, BAE to Build 'Laser Machine Gun' - FoxNews.com