Scientists are working ways out to meet the nutritional requirements of soldiers using the 3D Printing Technology. Lauren Oleksyk, a food technologist at the US Army's Natick Soldier Research, Development, and Engineering Center believes 3D Printed Meals can be the best and fastest approach to meet specific caloric requirements for the army.
Source: http://www.techinsider.io/army-3d-print-soldiers-food-2016-2