When you got one of the biggest guns in the world, you can’t just pop in a new magazine and start firing again. Well, you can but the new ‘magazine’ for the GAU-8 Avenger is so ginormous it needs to be trucked in and requires multiple Air Force guys to get the gun reloaded. It takes time to get giant bullets on board! Here’s the interesting process on how the largest combat jet gun gets reloaded.