NASA: A Journey Through Space Season 1 Episode 20 A Look Back: Dept. of Defense GPS Satellite Launch II
- September 16, 2006
- 27 min
The Department of Defense is deploying another GPS satellite which will provide a higher degree of accuracy to locate troops at war, lost hikers, emergency responders, smart bombs and airplanes. It will be located 11,000 miles above the equator.
