U.S Navy Secret Weapon
The U.S Navy has made a new weapon that can rip though 7 ft length of steel. This powerful weapon shoots bullets 7 times the speed of sound. And the bullet is roughly around 50cm long. Test had happened around 2 years ago and is now being board on our new destroyers. This weapon is called the railgun. Powered my magenetics systems. THey haven't exposed how the weapon works yet since it's top secret. But this weapon will be a huge threat to countries who try to start a war with us.