The U.S. Army’s Mobile Usability Lab Exhibit, or MULE, is an 18-wheel semi-trailer that is an Interactive exhibit with state of the art technology, used to create excitement and interest about the Army. It offers a Humvee Simulator, an Augmented Reality Sand Table, HTC Vive System, the Occulus Rift System, the Distracted Driver System and an IRobot. All of which is Virtual Reality and S.T.E.M. based interaction.