Now that you’re married to the military, you may be wondering where your spouse’s job fits into the big picture. Understanding the greater organization structure is crucial to picking up on how things like US news, US policy and legislation, and even world events may affect your household.
A very simple explanation is that all military branches fall under the Department of Defense. Each military branch has its own Department (e.g. Department of the Army).
Rather than go through a complicated explanation of the DOD Organization Structure, the following chart depicts this hierarchy.
Source: US DOD.