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The United States has seven uniformed services as defined by Title 10 and subsequently organized and structured by Title 10, Title 14, Title 42 and Title 33 of the United States Code:

United States Department of Defense/DOD

• United States Army (USA)
• United States Navy (USN)
• United States Marine Corps (USMC)
• United States Air Force (USAF)

United States Department of Homeland Security

• United States Coast Guard (USCG)

United States Department of Commerce

• National Oceanic and Atmospheric Administration Commissioned Corps (NOAA Corps)

United States Department of Health and Human Services

• United States Public Health Service Commissioned Corps (PHSCC)

Five of these services make up the armed forces, four of which are within the Department of Defense. The Coast Guard has both military and law enforcement duties, and is currently under the control of the Department of Homeland Security; however, Title 14 of the U.S. Code states that the Coast Guard is part of the military at all times. It is therefore the only branch of the military not under the control of the Department of Defense, at least in peacetime; during war, control of the Coast Guard passes to the Department of the Navy if Congress declares war or at the request of the President.^[1] The Commandant of the Coast Guard reports directly to the Secretary of Homeland Security. The commissioned corps of the US Public Health Service and NOAA Commissioned Corps operate under military rules with the exception of the applicability of the Uniform Code of Military Justice, to which they are subject to when militarized by executive order or while detailed to any component of the armed forces.^[2]

Contents 1 Armed forces 1.1 Military 2 Other Uniformed Services 3 See also 4 References

The United States Armed Forces comprise five of the seven uniformed services. Title 10, U.S. Code, Section 101(a)(4), states:

The term “armed forces” means the Army, Navy, Air Force, Marine Corps, and Coast Guard.

Section 101(a)(5) defines the uniformed services as:

(5) The term “uniformed services” means—

(A) the armed forces;
(B) the commissioned corps of the National Oceanic and Atmospheric Administration; and
(C) the commissioned corps of the Public Health Service.

• United States Army
• United States Navy
• United States Marine Corps
• United States Air Force
• United States Coast Guard

• National Oceanic and Atmospheric Administration Commissioned Corps (NOAA Corps) is a uniformed branch of the National Oceanic and Atmospheric Administration (NOAA), which is under the Department of Commerce.
• Commissioned Corps of the U.S. Public Health Service (PHSCC) is the uniformed personnel system of the United States Public Health Service, which is under the Department of Health and Human Services.

Commissioned officers of NOAA and PHS wear uniforms that are derived from Navy uniforms, except that the commissioning devices, buttons, and insignia reflect their specific service. Uniformed services officers of NOAA and PHS are paid on the same scale as members of the armed services with respective rank and time-in-grade. Additionally, PHS Officers are covered by the Uniformed Services Employment and Reemployment Act and the Service Members Civil Relief Act (former the Soldiers and Sailors Civil Relief Act).

Both uniformed service consist only of commissioned officers and have no enlisted ranks, although the Public Health Service will be introducing Warrant Officers later in 2006. (Public Health Services has historically had a Warrant Officer Corps. The Warrant Officer Corps is derived from Title 42 of the United States Code.)

Commissioned officers of the Public Health Service and of the National Oceanic and Atmospheric Administration can be militarized by the President of the United States. Statutory authorization to militarize the Public Health Service is under Title 42 U.S.C. (Based on rank, commissioned officers of the Public Health Service (USPHS) and NOAA can be classified as Category III, IV, and V under the Geneva Convention). The U.S. Coast and Geodetic Survey (a predecessor to NOAA) originally began commissioning its officers so that if captured while engaged in battlefield surveying, they could not legally be tried as spies. The Public Health Service (PHS) traces its origins to a system of marine hospitals created "for the relief of sick and disabled seamen" by the U.S. Congress in 1798 and they adopted a military model of organization in 1871. ^{[3] [4]}

• Military of the United States
• State Defense Forces
• Direct Commission Officers (DCOs)
• TRICARE - Health care plan for the U.S. uniformed services

1. ^ "U.S. Code: Title 14, Part I, Chapter 1, § 3 [1]
2. ^ UCMJ S 802. Art. 2. Subs. (a). Para. (8) http://www4.law.cornell.edu/uscode/html/uscode10/usc_sec_10_00000802----000-.html
3. ^ United States Code. Title 5. Part III. Chapter 21. S 2101.
4. ^ http://www.surgeongeneral.gov/library/history