The military has been salivating over the potential for additive, or 3-D, printing for a number of years. No need for warehouses full of parts or an elaborate logistics system that flies crucial components to forward locations. Theoretically, just take a 3-D printer along on a deployment and any spare parts needed can be whipped up in a matter of hours.
http://www.airforcemag.com/MagazineArchive/Magazine%20Documents/2016/August%202016/08163D.pdf