Which unit performs a specialized mission without aircraft or missiles assigned?

The Specialized Mission Wing is designed to conduct specific missions that do not require traditional aircraft or missiles. These units focus on unique operations that may involve specialized equipment, advanced technologies, or critical support roles that enhance the overall mission capabilities of the Air Force. The emphasis of the Specialized Mission Wing is on specialized expertise and functions, which can range from cyber operations to intelligence analysis, rather than conventional air or missile strategies.

In contrast, the other choices represent different organizational structures within the Air Force. Operational Commands typically oversee broader operational strategies and resources but may involve air or missile platforms. Major Commands serve as overarching groups that provide strategic direction and oversight to multiple units but generally include those that do utilize aircraft or missiles. Numbered/Named Flights are often classified under specific squadrons tasked with operational roles, and these units usually have either aircraft or missile applications as part of their responsibilities.

This distinction highlights the unique operational focus of the Specialized Mission Wing, making it the correct choice in identifying a unit that specializes in missions without the need for aircraft or missile systems.