davis agreed to jackson's request. on may 9, the steamer "j. c. swan" delivered the confederate aid: two 12-pound howitzers, two 32-pound siege guns, 500 muskets, and ammunition, in crates marked as tamoroa marble. the munitions had been captured by the confederates when they seized the federal baton rouge arsenal. mvm officers met the shipment at the st. louis riverfront, and transported it to camp jackson, inland.