The body and final assembly LLV is by Grumman ('79/97 some diesels at beginning and end), and the chassis (based on the 1982 Chevrolet S-10 Blazer) is made by General Motors, with the powerplant (2.5L I-4 TBI "Iron Duke" and, in later production, General Motors 2.2L I-4 iron block/aluminum head engine), instrument cluster and front suspension similar to those used in the Chevrolet S-10 pickup and S-10 Blazer sport utility vehicle. USPS is lookin at replacements. Oshkosh & MB models R among those bein tested. Oshkosh Defence reciently awarded a contract (not sure what size). Go usa ! Now let's build some trains. Lets build some ships. Lets capture the world EV market~