FAAAmazon and Microsoft are reeling in some serious dough to help the Federal Aviation Administration with its cloud computing needs.

IT consultant and systems integrator Computer Sciences Corporation just inked a $108 million contract with the FAA and will use both Amazon Web Services and Microsoft Azure — two Seattle-based cloud rivals — to help “consolidate FAA data centers and migrate FAA data and systems to a hybrid cloud environment.” The 10-year contract is initially valued at $108 million but could reach $1 billion over 10 years.

It’s a key government agency-related deal for both Microsoft and Amazon. Business Insider notes that IBM was left out of the partnership, which is notable in part because the company has worked with the FAA in the past. IBM was also ousted by Amazon in 2013, when the Seattle-based company won a $600 million contract with the CIA.

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