When required to achieve national strategic objectives or protect national interests, the u. s national leadership may decide to conduct

When required to achieve national strategic objectives or protect national interests, the U.S. national leadership may decide to conduct a major operation or campaign involving large-scale combat placing the United States in a wartime state.

Explanation:

The major goal of all this is to ensure that the United States is able to prevail against their enemies as soon as possible and end hostility whilst building an atmosphere that is favourable to the host nation and the United States and all its various partners.

a major operation or campaign involving large scale combat

Explanation: This is aimed achieving a major national strategic objective and protect national interest.

This major campaign will ensure that threats will be out out and national security will be guaranteed.

This major operation has helped the nation to ensure its interest and that of other nations are protected. In recent times especially after the 9-11 attacks the United States Government have ensured this major national strategic objective is achieved.