A three-year Army program has resulted in a 3D printed barracks, also known as a B-Hut. The program, called "Automated Construction of Expeditionary Structures," or ACES, explored 3D printing as a means of creating semi-permanent structures from concrete made with locally available materials. The B-Hut was 3D printed at the Construction Engineering Research Laboratory (CERL) in Champaign, Illinois. Read more at 3DPrint.com: http://3dprint.com/185151/us-army-3d-printed-barracks/