United States Armed Forces

====Enlisted corps====
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[[File:Air Force Basic Training Field.jpg|thumb|upright|Air Force basic trainees in a base defense exercise at [[United States Air Force Basic Military Training|Air Force Basic Military Training]]]]

Enlisted personnel consists of 82% of the armed forces, serving as specialists and tactical leaders.<ref name="bls.gov" /> Enlisted personnel are divided into three categories:
* E-1 to E-3/4: Junior enlisted personnel are usually in initial training or at their first assignment. E-1 to E-3 in the Marine Corps, Navy, and Coast Guard, and E-1 to E-4 in the Army, Air Force, and Space Force. In the Army, specialist (E-4) are considered to be junior enlisted, while corporals (E-4) are non-commissioned officers.
* E-4/5 to E-6: [[Non-commissioned officers]] in the Army, Marine Corps, Air Force, and Space Force and [[petty officers]] in the Navy and Coast Guard. In the Air Force and Space Force, E-5 is the first non-commissioned officer rank. Non-commissioned officers and petty officers are responsible for tactical leadership.
* E-7 to E-9: [[Senior non-commissioned officers]] in the Army, Marine Corps, Air Force, and Space Force and [[chief petty officers]] in the Navy and Coast Guard. Serve as senior enlisted advisors to officers.

The rank of [[senior enlisted advisor]] is the highest rank in each service, serving as the primary advisors to their service secretary and service chief on enlisted matters. Prior to entering their service, enlisted personnel must complete their service's [[Recruit training|basic training]]. In the Army, after completing [[United States Army Basic Training|Basic Combat Training]] recruits then go to [[advanced individual training]] for their [[United States military occupation code|military occupational specialty]]. In the Marine Corps, after completing [[United States Marine Corps Recruit Training|Recruit Training]], marines attend the [[United States Marine Corps School of Infantry|School of Infantry]], going to the Infantry Training Battalion for infantry marines, with non-infantry marines completing Marine Combat Training before advancing to technical training for their [[List of United States Marine Corps MOS|military occupational specialty]]. In the Navy, after completing [[Recruit Training Command, Great Lakes, Illinois|Recruit Training]], sailors advance to their "A" schools to complete training for their [[List of United States Navy ratings|rating]]. In the Air Force and Space Force, recruits complete combined [[Air Force Basic Military Training|Basic Military Training]] before going to technical training for their [[Air Force Specialty Code]]s. In the Coast Guard, after completing [[United States Coast Guard Training Center Cape May|Recruit Training]], sailors advance to their "A" schools to complete training for their [[List of United States Coast Guard ratings|rating]].