War is full of logistical challenges, one of the major concerns — in conflicts both ancient and modern — being how to feed the armies doing the fighting. Whether it’s Roman legionaries, British Redcoats, or modern infantry, soldiers have always needed a reliable supply of food to maintain both their energy levels and morale. As the old saying goes, “An army marches on its stomach.” Military rations have existed since at least the time of ancient Rome, when soldiers received 2 poun...