Because I know you woke up this morning wondering about artillery powder charges through the ages. Left to right - 3 inch powder bag, Revolutionary War. 155mm "White Bag" charge, used up through the 00s. One.single.charge.increment for the 16" battleship guns. They would use at least three of these. The colored bags are ignitor charges, intended to face the primer vent and to flash nearly instantly, to ensure complete and thorough burning of the powder. And no, of course, they don't...