READ on @rollcall's Topic A: Defense: "#Boeing Satellites Help the World Run on GPS Time" - http://bit.ly/rollcall0915 pic.twitter.com/iOdvSttd4P
12:48 PM - 15 Sep 2015
0 replies
2 retweets
4 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.