The High Angle instruction is used when the quadrant elevation is equal to or higher than ______ mils.

The High Angle instruction is used when the quadrant elevation is equal to or higher than ______ mils.

• A. 600 mils
• B. 800 mils
• C. 400 mils
• D. 1000 mils

Answer: (B)

High Angle instruction is used when the quadrant elevation reaches a steep part of the trajectory, where the arc of fire requires special considerations. In mils, 1000 mils corresponds to 90 degrees, so 800 mils is about 72 degrees. At or above this steep angle, the projectile spends more time aloft and is more affected by wind, drag, and multiple-time-of-flight factors, which means standard low-angle corrections won’t be accurate. Switching to High Angle procedures at 800 mils ensures you use ballistic approaches that account for the longer flight time and steeper arc, improving hit probability on targets that require a high-arc shot. The lower elevations (below 800 mils) are handled with the usual procedures, as the trajectories are flatter and standard corrections apply.

High Angle instruction is used when the quadrant elevation reaches a steep part of the trajectory, where the arc of fire requires special considerations. In mils, 1000 mils corresponds to 90 degrees, so 800 mils is about 72 degrees. At or above this steep angle, the projectile spends more time aloft and is more affected by wind, drag, and multiple-time-of-flight factors, which means standard low-angle corrections won’t be accurate. Switching to High Angle procedures at 800 mils ensures you use ballistic approaches that account for the longer flight time and steeper arc, improving hit probability on targets that require a high-arc shot. The lower elevations (below 800 mils) are handled with the usual procedures, as the trajectories are flatter and standard corrections apply.