Rear admiral (United States)

Rear admiral (United States)
NPHIC · CC BY-SA 4.0 · source
Name	Rear admiral (United States)
Abbreviation	RADM
Country	United States
Service branch	United States Navy, United States Coast Guard
Higher rank	Vice admiral (United States)
Lower rank	Commodore (United States)
NATO rank	OF-07

Rear admiral (United States) is a flag officer rank in the United States Navy and United States Coast Guard corresponding to senior leadership positions aboard warships, staffs, and shore establishments. The rank denotes two distinct grades—one-star and two-star—each associated with extensive operational, administrative, and diplomatic responsibilities across theaters such as the Atlantic Ocean, Pacific Ocean, and joint commands like United States Northern Command and United States Indo-Pacific Command. Rear admirals frequently interact with civilian agencies including the United States Department of Defense, the Congress of the United States, and international partners such as Royal Navy and Japan Maritime Self-Defense Force counterparts.

Overview

In contemporary usage, the rank exists as two grades: rear admiral (lower half) and rear admiral (upper half). The lower half is a one-star flag officer equivalent to an Brigadier general (United States) in the United States Army, while the upper half is a two-star flag officer equivalent to a Major general (United States Marine Corps). Rear admirals serve afloat aboard aircraft carriers like USS Gerald R. Ford (CVN-78) and USS Nimitz (CVN-68), ashore at institutions such as the Naval War College and United States Naval Academy, and within joint staff billets at Joint Chiefs of Staff and United States European Command. Notable holders have included leaders connected with conflicts such as the World War II, the Korean War, the Vietnam War, and operations like Operation Desert Storm.

Ranks and Insignia

Insignia for rear admirals include shoulder boards, sleeve stripes, and collar devices worn on service and dress uniforms. The one-star grade displays a single five-pointed star on shoulder boards and collar devices similar to those worn by flag officers in the United States Coast Guard Academy. The two-star grade bears two five-pointed stars and distinct sleeve braid widths used on Navy dress blue and Navy service uniform variants. Rank pins and flags, such as the command flag flown from flagships like USS Constitution (1797), indicate the officer’s grade when embarked. Historically, insignia evolved from symbols used in the era of United States Revenue-Marine and figures such as Stephen Decatur.

Roles and Responsibilities

Rear admirals command task forces, serve as deputy commanders in numbered fleets such as United States Seventh Fleet and United States Second Fleet, and head major staff directorates at Office of the Chief of Naval Operations and United States Special Operations Command. Responsibilities encompass operational planning for contingencies like Operation Enduring Freedom, maritime diplomacy during port visits to nations like United Kingdom and Australia, and oversight of logistics and acquisitions involving contractors such as General Dynamics and Huntington Ingalls Industries. They preside over training institutions including Surface Warfare Officers School and Naval Air Systems Command directorates, advise senior officials including the Secretary of the Navy and the Chairman of the Joint Chiefs of Staff, and represent the Navy or Coast Guard in interagency forums such as meetings at The Pentagon.

History

The rank traces its lineage to early American naval traditions and European antecedents, evolving through the 19th and 20th centuries alongside institutions like the Continental Navy and the United States Naval Academy. During the American Civil War, officers performing flag duties and squadron commands set precedents later codified into modern rear admiral grades. The 20th century saw expansion during World War I and World War II when rear admirals led amphibious operations, convoy escorts, and carrier task groups in theaters including the Mediterranean Sea and the Pacific Theater of Operations. Postwar reforms, influenced by legislation such as the Officer Personnel Act of 1947, refined promotion pathways and grade structure. Cold War exigencies placed rear admirals in roles within alliances like North Atlantic Treaty Organization and during crises such as the Cuban Missile Crisis.

Promotion and Appointment

Promotion to rear admiral involves selection by promotion boards convened under statutes governing flag officer grades and requires nomination by the President of the United States and confirmation by the United States Senate. Candidates typically have prior command of destroyer squadrons, carrier strike group staffs, or major shore commands and have attended professional schools such as the National War College. Time-in-grade, performance evaluations, and joint duty credit under laws like the Goldwater–Nichols Act influence eligibility. Appointments to specific billets—fleet commander, program executive officer, or service staff director—are subject to political oversight, congressional hearings, and coordination with the Department of Homeland Security for Coast Guard assignments.

Uniforms and Traditions

Uniform distinctions for rear admirals include service dress uniforms bearing sleeve stripes, combination covers, and shoulder boards with stars; ceremonial accoutrements vary between the Navy and Coast Guard. Traditions include the flying of personal command flags, participating in change-of-command ceremonies aboard vessels such as USS Constitution (1797) or at bases like Naval Station Norfolk, and observances tied to professional societies like the US Naval Institute and awards such as the Navy Distinguished Service Medal. Courtesies, seating protocol at diplomatic functions, and precedence in joint operations reflect customs derived from naval history associated with figures like Chester W. Nimitz and Ernest J. King.

Category:United States Navy ranks Category:United States Coast Guard ranks