EIon Musk-led SpaceX broke new ground in spacewith the launch of rocket Falcon 9 which successfully deployed 10 satellites intoearth's orbit.
SpaceX said it had successfully installed 10 Iridium NEXT satellites intolow-earth orbit.
The company added that Iridium had received "healthy signals" from all 10 satellites.
The Falcon 9 rocket which took off from Vandenberg Air Base in California on Friday will be pulling off the largest "tech upgrades" in history.
"The process of replacing the satellites one-by-one in a constellation of this size and scale has never been completed before," SpaceX said in a statement.
An excited Musk followed the launch on Twitter, declaring "launch underway" as his company set a new record in space.