Artistic rendition of an Inmarsat GX satellite.

[Satnews] Inmarsat is reporting that the third satellite of the company's new Global Xpress fleet, Inmarsat-5 F3 (I-5 F3) which was launched August 2015, has successfully completed all its in-orbit testing (IOT)—the spacecraft is now fully operational and station-kept in final orbital position.
 
With this latest accomplishment, all three Global Xpress (GX) satellites have now achieved full operational capability to support government missions, which started on December 1, 2015.  GX Government services can be competitively procured from a wide array of authorized Value Added Resellers.