Successfully complete the following tasks to get the corresponding ending:

Ending A - Good: Have your NSA trust above 33% and save at least two of the three targets
           (Crouse Ship, Hisham, Lambert).
Ending B - Normal: Have your NSA trust below 33% and save all three targets (Crouse Ship,
           Hisham, Lambert). Alternately, have your NSA trust above 33% and destroy two of
           the three targets.
Ending C - Bad: Destroy all three targets (Crouse Ship, Hisham, Lambert). Alternately, have
           your NSA trust below 33% and destroy two of the three targets.