Greg Middleton, a GM employee for 28 years, marries the chassis to the body of a 2015 Buick Enclave Thursday, April 30, 2015 at the General Motors Lansing Delta Township Assembly plant where GM announced today it will invest $520 million for tooling and equipment for future new vehicle programs, retaining 1,900 jobs. The investment is part of $5.4 billion in U.S plant improvements during the next three years, including $783.5 million for three Michigan facilities. (Photo by Jeffrey Sauger for General Motors)