What brevity term signifies a FRIENDLY air-to-surface missile launch?

The brevity term that signifies a FRIENDLY air-to-surface missile launch is "Rifle." This term is specifically used in military operations to communicate that a friendly aircraft has launched a missile, ensuring that ground troops and other aircraft are aware of the potential for engagement. Using standardized brevity codes like "Rifle" helps prevent any confusion or friendly fire incidents during combat operations, as it provides a clear indication of actions being taken by friendly forces.

In combat scenarios, effective communication is critical, and employing terms like these allows for quick understanding among team members in high-pressure environments. The other terms listed do not denote a FRIENDLY air-to-surface missile launch and are used in different contexts. "Deadeye," for instance, typically refers to a weapon being fired with precision or correctness rather than specifying the identity of the missile launch. "Visual" indicates that someone has visually acquired a target or element, while "Sparkle" refers to the use of laser designators or marking systems to identify targets, not directly related to missile launches.