"This is the first-in-the-world on-site continuous concrete print. People have printed buildings and large structures, but they haven't done it on-site and all at once." - Captain Matthew Friedell, Project Officer, Marine Corps Systems Command (MCSC) Additive Manufacturing Team. The Marine Corps Systems Command The 46-square-meter building was constructed by MCSC within 40 hours at the US Army Engineer Research and Development Center in Champaign, Illinois. Click below to read more.