First Appearance: Captain America (V6) #6
Earth in the Marvel universe
Hydralab posts - The Only freaking posts you should care about!
The Flying Island is the newest hidden base of the Hydra, under the leadership of Hydra Queen.
Labs - For robotics and other science projects
Aircraft ports - For planes and flying robots
Communication and Control rooms
Anti Gravity Engines to generate Lift
Was primarily designed to move and remain hidden and as such did not have many offensive weapons. When attacked the Flying Island used flying robots and Hydra henchmen with jet packs to defend itself.