Mid Michigan Painting a division of MMP Professional Services is proud to be part of the upgrading process at Detroit Arsenal (DTA). The facility, formerly Detroit Arsenal Tank Plant (DATP) was the first manufacturing plant ever built for the mass production of tanks in the United States. Established in 1940 under Chrysler, this plant was owned by the U.S. government until 1996. It was designed by architect Albert Kahn. The building was designed originally as a “dual production facility so that it could make armaments and be turned into peaceful production at war’s end.