that's not a knoife, this a knoife: Where did Hellboy get the hand gun Hellboy calls the "Samaritan"?
The US Navy has been working on that for a while... New Rounds For Old Guns Could Change Missile Defense for Navy, Army Now, they are getting really close. Navy Studying Hyper Velocity Projectile, Other Ammo for Zumwalt Guns - USNI News Test fired. Navy Quietly Fires 20 Hyper Velocity Projectiles Through Destroyer’s Deckgun - USNI News
Mate of mine crawled inside the section of 'Iraqi Supergun' they have at Fort Nelson. He was really fat then. Big tube.