Department of Defense 🇺🇸 @DeptofDefense
For 41 years, the Global Positioning System has helped us find our way in the world. It’s a system that our modern way of life depends on every day. Now the @USAirForce is working to improve and update the GPS system to keep us navigating forward into the future. 🛰️ https://t.co/ind2CPyuhK — PolitiTweet.org