Blind to the material world, and unable to discern detail of the living. That would not be sufficient for navigation, but it would be more instructive to let the agent fail before correcting him.

"Then we will leave the ship." The only ones who might stage a rescue at this juncture were the agent's co-conspirators. Remaining with the ship held no advantage to him. "The planet shows signs of catastrophic bombardment, but we are on the outskirts of a city. Its wreckage may prove useful."