The U.S. Army announced Friday that it had selected four companies to build tactical truck prototypes. In a release, the branch awarded Mack Defense, Navistar Defense, Oshkosh Defense and the American Rheinmetall Vehicles/GM Defense team deals worth a combined total of $24.25 million. The contractors will provide three prototypes of each variant for the Common Tactical Truck (CTT) Family of Vehicles. Each team will build three prototypes of each variant, including the M915 Line Haul Tractor and M1088 Medium Tractor, the Palletized Load System (PLS) and the Heavy Expanded Mobility Tactical Truck (HEMTT). The contractors will provide three prototypes of...