Thought this might be of interest, recieved the info in my PocketGPSWorld newsletter.

<quote>
Last night saw the successful launch and deployment of a new generation of GPS satellites the GPS IIF. These satellites are built by Boeing and will enhance the current GPS constellation by adding a further 12 GPS satellites to replace the current ones that are nearing the end of their service life.
<end of quote> Article dated 29/05/10