The following is a brief summary, with comments, of a 55-page document. The U.S. Postal Service understands it is not financially sustainable in its current form. It admits to being unable to provide dependable service, and is in need of major capital investment. Their network is described as broken.
The USPS document provides, with numerous charts and exhibits, a 10-year plan to financial sustainability and reliable service. The plan depends on a series of changes and improvements to be successful.