 A contract with the U.S. Postal Service means new jobs are coming to the upstate. Rebecca Hughes with more. The U.S. Postal Service is commissioning a new fleet of mail trucks for the first time in three decades, with Oshkosh Defense building them in Spartanburg County. Oshkosh Vice President of Business Unit Operations Paul Brezeau tells Fox Carolina the company plans to produce between 50,000 and 165,000 units.