Craig Fountain, United States Postal Service city carrier, is part of the USPS team that uses many means of transportation to help limit costs. The postal service moves mail using trucks, cars, planes, trains, boats, bicycles, and even mules. Even with cost-conscious decisions in transport options, the May 12 rate changes will result in some increases to help offset operational costs. (U.S. Air Force photo/Tech. Sgt. Shanda L. De Anda)