In classical mythology, Aquila is the eagle carrying Jupiter’s thunderbolts skyward. At Facebook, it is the code name for a high-flying drone, indicative of the social networking company’s lofty ambitions.The V-shaped unmanned vehicle, which has about the wingspan of a Boeing 767 but weighs less than a small car, is the centerpiece of Facebook’s plans to connect with the five billion or so people it has yet to reach.
http://www.nytimes.com/2015/03/26/technology/drones-beaming-web-access-are-in-the-stars-for-facebook.html