The US Navy has used 3D printing technology on numerous occasions, but we don't hear much about whether the US Coast Guard is using the technology. 3D printing at sea has been a reality for a few years now, and right now the Coast Guard Research and Development Center (RDC) in Connecticut is studying how the technology could improve mission readiness through logistical support. As it turns out, 3D printers are already on board five Coast Guard cutters, and are also being used at several operational shore units, to make replacement parts. Read more at