The United States Navy has tested two new pieces of similar technology this month, ushering in a new era for naval warfare. Earlier this month, the U.S. Navy successfully tested it’s new hypersonic railgun, capable of firing a projectile using electromagnetic force rather than a chemical explosive. On December 10th, a 20-pound aluminum slug was flung some 5,500 feet at a speed of Mach 7, nearly 5,000MPH. On December 18th, the Navy tested a similar device, but this one designed to catapult jet fighters off of the deck of an aircraft carriers. Known as the EMALS, Electro-Magnetic Aircraft launch System, the device would replace steam-powered catapults that have been in use since the 1950s.