What term describes the leveraging of unique strengths of each military service to achieve complex missions?

The term that describes the leveraging of unique strengths of each military service to achieve complex missions is joint operations. This concept focuses on the collaboration and integration of different branches of the military—such as the Army, Navy, Air Force, and Marine Corps—working together to perform missions that require a unified effort and bring together various capabilities and resources.

Joint operations are essential in modern military strategy, as they enhance effectiveness and ensure that the diverse strengths of each service are utilized efficiently. For example, while the Army may provide ground forces, the Navy might secure sea routes, and the Air Force could conduct aerial support, creating a complete operational picture that maximizes the overall mission success.

While combined forces refer to the collaboration of military units from different countries, strategic partnership focuses more broadly on cooperation in defense efforts, and multidomain operations emphasize integration across all domains (land, sea, air, space, and cyber) rather than solely focusing on the joint efforts of U.S. military services. Thus, joint operations is the most accurate term that encapsulates the concept outlined in the question.