North American market. This resulted in the formation of SES Global, a corporate entity with two operating companies, SES Astra and SES Americom. Altogether, SES operated a fleet of 41 geostationary satellites, the largest in the world in 2001. Further acquisitions followed. In 2003, SES' stake in NSAB was increased to 75% and in 2005 SES acquired a participation in Canadian satellite operator Ciel and in Mexico's Quetzsat, as well as the divestment from Nahuelsat. SES acquired services provider, Digital Playout Centre GmbH (later Astra Platform Services, then SES Platform Services, then MX1, now merged into SES) in 2005. and in 2006 SES also acquired ND SatCom, a German provider of government services, developing a services portfolio beyond just bandwidth provision. Also in 2006, SES acquired New Skies Satellites, later renamed SES New Skies, adding six satellites to the SES fleet and strengthening coverage in Asia, the Middle East and Africa. In 2007, SES divested from its holdings in AsiaSat and Star One in a complex transaction with General Electric which itself divested from SES. In 2008, SES increased its stake in NSAB to 90%. and merged its two international operating units, SES Americom and SES New Skies into a new segment which was branded SES World Skies in September 2009. In 2009, SES and Middle East satellite operator Yahsat announced the formation of a joint venture, YahLive, to commercialise 23 Ku-band transponders on Yahsat 1A, serving the Middle East, North Africa and Western Asia with direct-to-home TV services. Also in 2009, SES announced its investment in O3b Networks a project to build a medium Earth orbit (MEO) satellite constellation to deliver high-speed, low-latency, fibre-like internet broadband trunking to the world's emerging regions ("the Other 3 billion"). In 2010, SES grew its stake in SES Sirius to 100% and closed the acquisition of the in-orbit satellite Protostar-2/Indostar-2, renaming it SES-7 and integrating it into its fleet covering India and Southeast Asia. In May and September 2011, SES restructured and rebranded the company to streamline the organisation's activities under a single management team and one main brand (SES), incorporating the company's two previous operating entities, SES Astra and SES World Skies. Global operator In August 2011, the Astra 1N satellite was launched to the 28.2° East orbital position, and in September 2011, the QuetzSat 1 satellite was launched to 77.0° West In February 2012, SES-4 was successfully launched to become SES'