Robert Puhalovich, Director of Business Development for Navistar, looks inside the Strategic Tactical Accessory Repository High Mobility Multipurpose Wheeled Vehicle May 15 while Master Sgt. Kenneth Nero, Marine Corps Systems Command, explains some of the inner workings of the vehicle.The Marine Corps set-up displays all around Navy Pier to allow Chicagoans to come out and see firsthand what the Marine Corps capabilities are. - Robert Puhalovich, Director of Business Development for Navistar, looks inside the Strategic Tactical Accessory Repository High Mobility Multipurpose Wheeled Vehicle May 15 while Master Sgt. Kenneth Nero, Marine Corps Systems Command, explains some of the inner workings of the vehicle.The Marine Corps set-up displays all around Navy Pier to allow Chicagoans to come out and see firsthand what the Marine Corps capabilities are.