What is boresight angle?

Boresight angle is the angle between the optical axis of a sensor and the axis of a reference object, such as a weapon's bore or an aircraft's flight path. Boresighting is the process of aligning the sensor with the reference object to ensure accurate measurements or targeting. In military applications, boresighting is critical for the accuracy of missile guidance, target tracking, and weapon systems. Boresight angle is expressed in degrees and can be adjusted using specialized equipment and techniques.