ENIAC was created to calculate ballistics for the military. Firing tables for every PROJO in service came out of it during WWII. We still use the data cards and their updated cousins today. In Viet Nam every 'case' of mortar ammo had a charge card so the mortarman could set range and time of flight needs up. How many 'increments' at what tube angle for the mission. 105 and 155, same deal. Naval gunfire? You bet. No sweat. The link is for folks who are interested in a bit of history.
Kim Il Sung was the grandfather of the current dickhead of Korea, Kim Jong Un, and the father of Kim Jung Il the immediately prior dickhead.