Final answer:
The Air and Space Expeditionary Task Force (ASETF) is the AEF structure element involving global mobility, Special Operation Forces, and personnel recovery forces, playing a key role in national defense and military strength.
Step-by-step explanation:
The element of the Air Expeditionary Force (AEF) structure that includes common user assets such as global mobility forces, Special Operation Forces, and personnel recovery forces, along with space forces, is the Air and Space Expeditionary Task Force (ASETF). These critical components of the AEF provide integral support to various authorized organizations. These unique forces encompass a range of capabilities that are essential to projecting power and achieving strategic objectives globally. Their roles encompass everything from providing rapid mobility and logistical support, executing special operations missions to direct action and covert operations, and conducting operations focused on rescuing military or other government personnel from hostile environments.
The ASETF aspect is vital to maintaining national defense and ensuring operational readiness. It underscores the U.S. military's ability to respond swiftly and effectively to crises and conflicts, contributing significantly to the overall military strength and strategic superiority of the nation's armed forces.