US: The US Air Force has successfully launched the sixth GPS IIF satellite carried aboard a United Launch Alliance Delta IV launch vehicle from Cape Canaveral Air Force Station, US. The Boeing-built GPS IIF satellite joins the GPS constellation providing global coverage and increased overall performance to users around the globe. The GPS IIF satellite provides greater navigational accuracy through improvements in atomic clock technology, a more resilient signal for commercial aviation and safety-of-life applications and a longer design life of 12 years. Operated by US Air Force Space Command, the GPS constellation provides precise services worldwide 24-hours a day, and the Air force is committed to providing improved capabilities to ensure users around the globe receive the maximum benefits provided by GPS.
The Air Force’s GPS satellites work to provide users with information necessary to accomplish activities such as energy distribution, environmental research and surveying.
Source: Space Ref