US Air Force launches first next-generation GPS satellite

The video discusses the launch of a new GPS satellite on a SpaceX Falcon 9 rocket. It introduces the GPS3 model, which is the first of 30 planned satellites to replace older ones. GPS3 offers improved accuracy, compatibility with existing systems, and enhanced connectivity for civilian users. The new models also feature stronger military signals, are less prone to jamming, and have a longer lifespan.

What improvements do the new satellite models have in terms of military signals?

How much longer are the new GPS satellites expected to last compared to the current ones?