Which space agency has successfully launched the world’s first all electric satellites in March, 2015?

Which space agency has successfully launched the world’s first all electric satellites in March, 2015?
[A]Russia Federal Space Agency
[B]China National Space Administration
[C]SpaceX
[D]European Space Agency

SpaceX
Space Exploration Technologies (SpaceX) successfully put the world’s first all-electric communications satellites into orbit. The satellites launched are outfitted with lightweight, all- electric engines, rather than conventional chemical propulsion systems, to reach and maintain orbit.

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