https://www.space.com/36051-spacex-rocket-launches-echostar-23-satellite.html
SpaceX Rocket Launches EchoStar 23 Communications Satellite Into Orbit | Space
Mar 16, 2017 - A SpaceX Falcon 9 rocket launched the EchoStar 23 communications satellite into orbit early Thursday (March 16) from Pad 39A at NASA's Kennedy Space Center in...
spacex rocketechostar 23communications satelliteinto orbitlaunches
https://www.whitecase.com/news/press-release/white-case-advises-echostar-us23-billion-spectrum-sale-att
White & Case advises EchoStar on US$23 billion spectrum sale to AT&T | White & Case LLP