This document summarizes a competition run by the UK Ministry of Defence to fund the development of additive manufacturing technologies for military applications. It outlines the military's interest in additive manufacturing and technical challenges in the competition. The competition will have two phases, with the first phase contracting smaller, 6-8 month projects at TRL 3-4 and the possibility of selected projects progressing to a second, larger 12-24 month phase to advance technologies to TRL 5-6.