O2 (UK) Telefónica O2 had a long-standing relationship with Arsenal F.C., being their shirt sponsor until the end of the 2005/2006 season. In 2005, a three-year deal was signed that saw Telefónica O2 become the team's exclusive mobile communications partner. O2 were the main sponsor of the Channel 4 reality TV show "Big Brother" from its second series (as BT Cellnet) in 2001 until its fourth series in 2003. They also sponsored the spin-off shows "Celebrity Big Brother 2" in 2002 and "" in 2003. In total O2 sponsored five series of the show. O2 sponsored music festivals, the Wireless Festivals, from
United Aircraft Corporation 2018, a deal was approved by Russian President Vladimir Putin for the UAC to be acquired from the Federal Agency for State Property Management by Russian state-owned conglomerate Rostec with a turnover cost in excess of one billion rubles (US$15 million). This would result in the entire national aviation assets being put in the hands of Rostec, as Rostec also owns the helicopter monopoly Russian Helicopters and the engine monopoly United Engine Corporation. Rostec had stated it is willing to invest up to 40 billion rubles into the MC-21, taking some burden away from the federal budget. The transfer will