Jack communicates with Vika via the HUD in the Bubbleship, and a small earbud that provides two-way audio.
He talks normally to Vika, who responds in kind. There is no visible confirmation of his connection to Vika, and no obvious way for him to send information back other than the sound of his voice.
As shown during the lightning strike sequence, Jack’s earbud is connected directly to the Bubbleship. All of his audio and telemetry requires the Bubbleship to connect with Vika’s control tower. When the Bubbleship’s power goes out, Jack’s communication is cut too. Continue reading