Which characteristic best defines a Support by Fire Position (SBF)?

The characteristic that best defines a Support by Fire Position (SBF) is a location that provides suppressive fire for an assault. In military operations, an SBF is established to deliver effective fire on enemy positions while friendly forces conduct a maneuver, typically an assault. This suppressive fire helps to disrupt or neutralize the enemy's ability to respond to the assault, allowing the attacking force to achieve its objectives more safely and effectively.

The purpose of an SBF is to create a tactical advantage in a dynamic combat environment, where the ability to provide timely and accurate fire support can be critical. The SBF is strategically located to maximize coverage and control over the targeted areas while minimizing risk to friendly troops. This function clearly distinguishes it from other types of positions, such as supply points, command posts, or observation points, which serve entirely different roles within military operations.