Inmarsat-5 F4 is the next addition to the fifth generation of Inmarsat satellites. Inmarsat-5 satellites each carry 89 Ka-band beams and deliver high-speed mobile broadband communications for deep sea vessels, in-flight connectivity for airline passengers, streaming high-resolution video, voice and date to the enterprise sector, and secure solutions for government customers. The satellite weighs 6100 kg at launch and has an operational lifetime of 15 years.
The Full Thrust variants first stage includes all systems necessary for an operational re-use of stages while the second stage is operated as an expendable rocket stage.See Falcon Details
Space Exploration Technologies Corp., known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California. It was founded in 2002 by entrepreneur Elon Musk with the goal of reducing space transportation costs and enabling the colonization of Mars. SpaceX has many pads, on the East Coast of the US they own SLC-40 at Cape Canaveral and LC-39A at the Kennedy Space Center for their lower inclination launches. They also own SLC-4E at Vandenberg, California for their high inclination launches. Another site is also being developed at Boca Chica, Texas.INFO WIKI