Its rating has since been downgraded to R. In November 2015, Moody's Investors Service downgraded Volkswagen's bond credit rating from A2 to A3. In February 2017, S&P downgraded Kansas's credit rating to AA-. In June 2014 Barclays downgraded bonds of U.S. utility companies. However, the rank of corporal was severely downgraded after Unification, along with the attendant responsibilities. Due to memory limitations however, the graphics have been significantly downgraded. Frederick's reputation was sharply downgraded after 1945 in both East and West Germany. However, it has not been downgraded and remains open for navigation. Tires with large unbalances are downgraded or rejected. By 21 October, the fire warning was downgraded. Pewa was then downgraded to a tropical storm later that day. Operationally, Humberto was erroneously downgraded to a tropical storm on that same day. By the 1970s the prestige of interstate matches had been seriously downgraded. Shortly after, S&P also downgraded the EFSF from AAA to AA+. The USP in Marion, Illinois was recently downgraded to a medium-security facility.