we all know batteries always start with ba (at least army)
we used to have an old flashlight in the shop just for newbs which the batteries were dead in. we'd tear it apart and then send them to supply with a piece of paper with 2ea. BA-1100-N's on it, them thinking it was the part number. boy would they be pissed off when they got back carrying 2 balloons...of course we'd be laughing our butts off because supply would always call before they got back.