Iridium has a target date for its 5th launch of Iridium NEXT satellites. With that event the company aims to pick up the pace, speeding towards completion of the new constellation.
SpaceX
Iridium-4 to launch on an old friend
Choosing to launch on a flight-proven SpaceX rocket earns Iridium a (mostly useless) mark on history. The company will be the first to launch multiple times on the same rocket.