Warrant officer (WO) is a rank or category of ranks in the armed forces of many countries. Depending on the country, service, or historical context, warrant officers are sometimes classified as the most junior of the commissioned officer ranks, the most senior of the non-commissioned officer (NCO) ranks, or in a separate category of their own. Warrant officer ranks are especially prominent in the militaries of Commonwealth nations and the United States.
Sergeant (Sgt) is a rank in use by the armed forces of many countries. It is also a police rank in some police services. The alternative spelling, serjeant, is used in The Rifles and other units that draw their heritage from the British light infantry. Its origin is the Latin serviens, 'one who serves', through the Old French term serjant.
A master sergeant is the military rank for a senior non-commissioned officer in the armed forces of some countries.
Sergeant major is a senior non-commissioned rank or appointment in many militaries around the world.
A master chief petty officer is a senior non-commissioned officer in many navies and coast guards, usually above some grade of petty officer.
A petty officer (PO) is a non-commissioned officer in many navies. Often they may be superior to a seaman, and subordinate to more senior non-commissioned officers, such as chief petty officers.
The chart below represents the current enlisted rank insignia of the United States Air Force.
A chief master sergeant is the military rank for a senior non-commissioned officer in the armed forces of some countries.
The Chief Master Sergeant of the Air Force is a unique non-commissioned rank in the United States Air Force. The holder of this rank and position of office represents the highest enlisted level of leadership in the Air Force, unless an enlisted airman is serving as the senior enlisted advisor to the chairman. The CMSAF provides direction for the enlisted corps and represents their interests, as appropriate, to the American public, and to those in all levels of government. The CMSAF is appointed by the Air Force chief of staff (AF/CC) and serves as the senior enlisted advisor to the Air Force chief of staff and the secretary of the Air Force on all issues regarding the welfare, readiness, morale, and proper utilization and progress of the enlisted force.
The sergeant major of the Army (SMA) is a unique non-commissioned rank and position of office in the United States Army. The holder of this rank and position is the most senior enlisted soldier in the Army, unless an enlisted soldier is serving as the senior enlisted advisor to the chairman. The SMA is appointed to serve as a spokesman to address the issues of enlisted soldiers to all officers, from warrant officers and lieutenants to the Army's highest positions. As such, they are the senior enlisted advisor to the chief of staff of the Army. The exact duties vary depending on the chief of staff, though much of the SMA's time is spent traveling throughout the Army, observing training and talking with soldiers and their families.
The senior enlisted advisor to the chairman of the Joint Chiefs of Staff (SEAC) is the most senior non-commissioned officer (NCO) position overall in the United States Armed Forces. The SEAC is appointed by the chairman of the Joint Chiefs of Staff to serve as a spokesperson to address the issues of enlisted personnel to the highest positions in the Department of Defense. As such, the SEAC is the primary enlisted advisor to the chairman, and serves at the pleasure of the secretary of defense. The SEAC's exact duties vary, depending on the chairman, though the SEAC generally devotes much of their time traveling throughout the Department of Defense, to observe training and communicating to service members and their families. The SEAC's normal term of assignment runs concurrently with the chairman, but an incumbent may be reappointed to serve longer. The first member to hold this post was William Gainey. The current SEAC is Troy E. Black, USMC who assumed the duties on 3 November 2023.
The senior enlisted advisor to the chief of the National Guard Bureau is the top enlisted person in the National Guard of the United States; which is a joint reserve component of the United States Army and the United States Air Force.
The chief of space operations (CSO) is the service chief of the United States Space Force. The CSO is the principal military adviser to the secretary of the Air Force for Space Force operations and, as a member of the Joint Chiefs of Staff, a military adviser to the National Security Council, the secretary of defense, and the president. The CSO is a statutory office held by a Space Force general, who is typically the highest-ranking officer on active duty in the Space Force.
United States Space Force rank insignia are used to indicate the rank and status of the United States Space Force officers and enlisted personnel. Equivalency between the military services is indicated by associated NATO code and pay grade.
John F. Bentivegna is a United States Space Force chief master sergeant who serves as the second and current chief master sergeant of the United States Space Force. He previously served as the senior enlisted advisor to the deputy chief of space operations for operations, cyber, and nuclear and senior enlisted leader of Space Operations Command.
The Space Force Delta is the official logo of the U.S. Space Force, the space warfare service branch of the U.S. Armed Forces. The delta itself was unveiled on 22 July 2020.
The United States Space Force is organized by different units: the Space Staff, the field commands, and the space deltas.
The commander of Space Operations Command is a lieutenant general who leads the field command that provide space forces to the United States Space Command and supports other unified combatant commands. A senior leader in the Space Force, it is only one of three field commanders and, of which, only one of two held by a lieutenant general.
