U.S. Air Force successfully launches a United Launch Alliance Delta IV rocket
The U.S. Air Force successfully launched a United Launch Alliance Delta IV rocket carrying the Air Force's sixth Block IIF-6 navigation satellite for the Global Positioning System at 8:03 p.m. EDT May 16, 2014, from Space Launch Complex 37 at Cape Canaveral Air Force Station, Fla. GPS IIF-6 is the sixth in a series of next-generation GPS satellites and will join a worldwide timing and navigation system utilizing 24 satellites positioned in orbit approximately 11,000 miles above the Earth's surface. (Courtesy photo/United Launch Alliance)