Image source: Gogo Inc.So what: More specifically, under the proposal, GoGo says it "would provide connectivity service on a meaningful portion of the airline's domestic fleet that it currently serves, using the company's ATG, ATG-4 and 2Ku technologies."Recall that Gogo commenced flight testing late last year on 2Ku, its next-generation global connectivity solution that can uniquely provide real-time streaming and live TV programming.