Seven uniformed services

The United States has seven federal uniformed services that commission officers as defined by Title 10, and subsequently structured and organized by Title 10, Title 14, Title 42 and Title 33 of the  United States Code.

The seven uniformed services are, in order of precedence by ceremonial formation:

1. United States Army
2. United States Marine Corps
3. United States Navy
4. United States Air Force
5. United States Coast Guard
6. United States Public Health Service Commissioned Corps
7. National Oceanic and Atmospheric Administration Commissioned Corps

Each of the uniformed services is (except the United States Marine Corps) administratively headed by a federal executive department and its corresponding civilian Cabinet leader.