Army Exhibit and Simulation Trailer EventsArmy Exhibit and Simulation TrailerArmy Exhibit and Simulation Trailer Explore This Section Army Exhibit and Simulation Trailer February 18, 2020 from 9 am - 3 pm Lot 9 Mount Laurel Campus The Army AS4 is an exhibit and simulation trailer. This exhibit comes with an EOD (exploding ordinance) robot and a night vision exhibit, as well as some STEM displays. Visitors can operate the EOD robot along with sensor and laser weapons systems.