Planetary Survey is a Tier 0 Secondary Tech that can be researched from Habitation. Planetary Survey gives the final brush in the initial adaptation to the new world. It establishes a reliable GPS system, together with a set of additional orientation techniques which grant land units mastery of the seas of the new planet. They gain the Embarkation ability, allowing them to cross water, and the Worker unit gains the ability to construct the Work Barge on water resources. There is no affinity linked to this technology