Civil engineers from the Air Force Civil Engineer Center and Eglin Air Force Base join contractors to watch a 3D printer apply layers of concrete for a building being constructed on Tyndall Air Force Base, Florida, Oct. 27, 2022. The building will replace a facility damaged by Hurricane Michael and help AFCEC determine whether advanced 3D printing technology can replace traditional methods of military construction and expeditionary construction projects. (U.S. Air Force photo by Brian Goddin)