Which correction in the sequence pertains to the type of munitions being used?

The term that pertains to the type of munitions being used is indeed projectile. In the context of fire support and artillery, the projectile refers specifically to the physical type of munition that is fired. Different projectiles have distinct characteristics, such as explosive content, weight, design, and intended use, which can significantly affect the outcome of a mission.

Understanding the type of projectile is crucial for effective targeting and impact assessment, as the capabilities of different projectiles can vary widely. For example, high-explosive projectiles are intended for maximum lethal effect, while smoke rounds might be used for screening or signaling. The choice of projectile directly influences the tactical considerations in a mission, including range, effectiveness against various targets, and potential collateral damage.

By focusing on the projectile, personnel can ensure that they're using the right kind of munitions for their specific objectives, reinforcing the importance of including this aspect in fire support planning.