Ordis Dialogue
Ordis is the cephalon in charge of the Tenno's Orbiter (including the Landing Craft).
Radio Scanner Dialogue
The radio scanner in the Landing Craft picks up signals from across the System and plays them for the Tenno.
Helminth Dialogue
Helminth is the Infested entity within the Helminth Infirmary, responsible for the biological functions of the Orbiter and Landing Craft.