NOTE: The contents of this website have not been updated since February 2025 due to staffing shortages. Please bear with us as we work on a solution.

Launch Videos

On other pages:

The links below open YouTube in a separate window. The U.S. government's use of YouTube to distribute video content does not constitute an endorsement of any products, services, or views of YouTube, its advertisers, or its users.

Learn more about the various generations of GPS satellites -- Blocks II/IIA, IIR, IIR(M), IIF, and III -- at the Space Segment page. Go there