Final answer:
The National Military Strategy (NMS) is signed by the Secretary of Defense to ensure the alignment of military capabilities with broader national security policy goals.
Step-by-step explanation:
The National Military Strategy (NMS) is signed by the Secretary of Defense. The NMS is an official document that outlines the strategic direction and priorities of the United States military in order to achieve national security objectives. It is signed by the Secretary of Defense to ensure the alignment of military capabilities with broader national security policy goals.