Track observer corrections through a fire mission.
Call for Fire Trainer: 3D observed-fire trainer: locate targets on real terrain, call for fire, adjust rounds, graded AAR (solo or instructor-led).
Enter the initial target location and firing data to begin tracking adjustments.
LEFT/RIGHT: Lateral corrections perpendicular to OT direction
ADD: Move impact further from observer (along OT direction)
DROP: Move impact closer to observer (opposite OT direction)
UP/DOWN: Vertical corrections (recorded but not applied to grid)