United States Coast Guard Auxiliary
Volunteer uniformed auxiliary service that supports the missions of the United States Coast Guard.
Last updated August 25, 2026
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Overview
The United States Coast Guard Auxiliary is the uniformed, volunteer auxiliary component of the United States Coast Guard. Established by Congress on 23 June 1939 as the United States Coast Guard Reserve, it was renamed the Coast Guard Auxiliary in February 1941 after Congress created a separate military Coast Guard Reserve. The organization exists to strengthen Coast Guard operations without replacing active-duty personnel and generally does not exercise direct law-enforcement authority or perform military combat duties. The Auxiliary emerged in response to the rapid growth of recreational boating. The spread of small motorboats and outboard engines created a large population of civilian boaters and a corresponding rise in requests for assistance. Congress therefore organized civilian boat owners into flotillas distributed through Coast Guard districts. Their early responsibilities included boating-safety education, safety patrols, assistance to Coast Guard units, and promotion of compliance with maritime laws. During the Second World War, the Auxiliary became an important source of personnel, vessels, and local maritime knowledge. Some members transferred into temporary reserve status, while Auxiliary-operated civilian craft were used for coastal patrol and port-security work. Hundreds of privately owned vessels formed part of the wartime coastal-defense effort commonly associated with the Corsair Fleet. Although these vessels did not destroy submarines, they assisted with patrols and rescued survivors from attacked merchant ships. Auxiliarists also helped recruit and train Coast Guard personnel and supported port-security organizations. After the war, the organization expanded its public-safety and educational role. Its boating-safety activities developed into programs such as free Vessel Safety Checks, classroom and online boating courses, public outreach, and partnerships with marinas, clubs, and other community organizations. The tradition that began as Safe Boating Week ultimately contributed to the creation of National Safe Boating Week through federal legislation signed in 1958. The Auxiliary also provides operational support. Qualified members may operate or crew Auxiliary vessels and aircraft, participate in search and rescue, assist with marine-safety and environmental missions, support waterways management, and augment Coast Guard units with communications, maintenance, administration, logistics, language, professional, and ceremonial services. Auxiliary aviation, known as AUXAIR, can support transportation, observation, search and rescue, and other approved Coast Guard activities. Members may also assist during disasters and in support of other government or civic organizations when requested and authorized. Congress broadened the Auxiliary's potential mission scope in 1996, allowing participation in any Coast Guard mission approved by the Commandant, subject to statutory and policy limits. In 2003, the Coast Guard and its reserve components moved from the Treasury Department to the Department of Homeland Security. The Auxiliary has subsequently continued as a nationwide volunteer force and received repeated Coast Guard Unit Commendations for sustained operational and public-service support. The organization also operates the Auxiliary University Programs, established in 2007. The program introduces university students to seamanship, leadership, and public service and can provide a pathway toward Coast Guard careers without imposing a service obligation. The Auxiliary remains particularly visible in recreational-boating safety, but its broader value lies in providing trained volunteers, civilian facilities, and specialized skills that extend the Coast Guard's capacity across U.S. waters and related support activities.
History
The Coast Guard Auxiliary was created against the background of a major expansion in civilian boating. Single-operator motorboats and outboard engines made recreational boating accessible to a much larger population, increasing the number of accidents and assistance requests handled by the Coast Guard. Congress responded with the Coast Guard Reserve Act of 1938, which provided for a volunteer reserve organization intended to promote safety, improve boating competence, encourage compliance with maritime law, and assist the active Coast Guard. Congress formally established the organization on 23 June 1939 as the United States Coast Guard Reserve. Civilian boat owners joined flotillas organized across Coast Guard districts, contributing vessels, local knowledge, and volunteer labor to safety patrols and public education. In February 1941, Congress reorganized the reserve system. The original volunteer body became the Coast Guard Auxiliary, while a separate Coast Guard Reserve was created for military and law-enforcement duties. The Second World War substantially broadened the Auxiliary's practical contribution. Some Auxiliarists entered temporary reserve status and served in uniform, while Auxiliary vessels were made available for coastal patrol and port-security work. In the early wartime period, approximately 2,000 civilian craft participated in the coastal-defense effort often called the Corsair Fleet. These vessels were not an effective submarine-killing force, but they patrolled exposed waters and helped rescue survivors from torpedoed merchant ships. From 1942 onward, Auxiliarists and Coast Guard reservists also supported local port-security forces and helped recruit and train Coast Guard personnel. The Coast Guard and its reserve components were transferred to the Navy Department during the war, and the Auxiliary received authorization to wear military-style uniforms in 1942. Following the war, the Auxiliary concentrated increasingly on recreational-boating safety and institutional support. A national organization and board structure developed during the 1950s. The Auxiliary also helped prospective applicants learn about the Coast Guard Academy and promoted the boating-safety observance that evolved from Safe Boating Week. In 1958, federal legislation established National Safe Boating Week during the first week beginning on the first Sunday in June. The organization sometimes assumed substantial local operational responsibilities. In 1973, after budget reductions led to the closure of Coast Guard stations on the Great Lakes, Congress directed that several stations be reopened under Auxiliary operation in response to community concerns. Auxiliary leaders and crews staffed those facilities and kept boats available for assistance. Additional stations on the Mississippi and Ohio Rivers later came under similar Auxiliary management. A 1976 independent study concluded that the organization was an effective and economical Coast Guard resource. Congress expanded the Auxiliary's statutory potential in 1996, allowing members to support any Coast Guard mission approved by the Commandant. The expansion did not give Auxiliarists general law-enforcement or combat authority. Instead, members continued to operate within Coast Guard policies and qualifications, providing support in areas such as search and rescue, marine safety, environmental response, communications, administration, logistics, and public education. In 2003, the Coast Guard, Coast Guard Reserve, and Coast Guard Auxiliary became components of the Department of Homeland Security. The Auxiliary subsequently developed or expanded specialized programs, including AUXAIR, the Auxiliary University Programs, professional support services, and structured recreational-boating-safety partnerships. Its members may provide boats, aircraft, facilities, and individual expertise to Coast Guard units. They may also support disaster-response activities and other government or civic organizations when properly tasked. The Coast Guard has repeatedly recognized the Auxiliary's continuing contribution. Unit Commendations were awarded for service during 1999–2009, 2009–2014, 2014–2019, and 2019–2024. In the 2020s, the organization was reported to have approximately 18,000 members, more than 4.5 million annual service hours, and hundreds of thousands of missions and boating-safety contacts. Its enduring role is that of a volunteer force multiplier: it extends Coast Guard reach while leaving direct law enforcement and military combat responsibilities to authorized Coast Guard personnel.
- 2024
Fourth consecutive Unit Commendation period begins
[1]The Commandant recognized service delivered from June 2019 through June 2024 with another Coast Guard Unit Commendation.
- 2007
Auxiliary University Programs established
[1]The Auxiliary launched a university-based program focused on seamanship, leadership, and public-service preparation.
- 2003
Auxiliary moves into the Department of Homeland Security
[1]The Coast Guard and its reserve components were transferred from the Treasury Department to the Department of Homeland Security.
- 1996
Congress broadens authorized mission support
[1]Legislation permitted Auxiliary members to assist with any Coast Guard mission approved by the Commandant, subject to restrictions on law enforcement and combat activity.
- 1973
Auxiliary operates reopened inland and Great Lakes stations
[1]Congress directed the reopening of stations affected by Coast Guard budget cuts, with Auxiliary personnel and facilities providing the operating presence.
- 1958
National Safe Boating Week established
[1]A presidentially signed federal resolution established National Safe Boating Week following years of Auxiliary-led boating-safety observances.
- 1942
Auxiliary supports wartime coastal defense
[1]Auxiliary vessels and members contributed to coastal patrol, rescue, recruitment, training, and port-security activities during World War II.
- 1941
Organization renamed United States Coast Guard Auxiliary
[1]Congress separated the volunteer Auxiliary from the newly created military Coast Guard Reserve and adopted the present name.
- 1939
Coast Guard Reserve volunteer organization established
[1]The organization was formally established on 23 June 1939, with flotillas of civilian boat owners organized through Coast Guard districts.
- 1938
Coast Guard Reserve Act creates a volunteer reserve framework
[1]Congress enacted legislation establishing the statutory basis for a civilian volunteer reserve organization supporting Coast Guard safety and assistance work.
Products and positioning
A nationwide volunteer force multiplier for the United States Coast Guard, focused especially on recreational-boating safety while providing authorized operational, educational, technical, and community support.
Recreational boating safety
Vessel Safety Checks
Free voluntary examinations of recreational boats intended to identify safety-equipment and compliance issues before an emergency occurs. The program is one of the Auxiliary's most visible public-facing services and gives boaters practical guidance without functioning as a law-enforcement inspection.
Boating education
Public Education
A portfolio of boating courses and presentations covering seamanship, navigation, weather, knots, applicable rules, and safe operating practices. Instruction is delivered to recreational boaters and community audiences through Auxiliary units and affiliated outreach activities.
Aviation support
AUXAIR
The Auxiliary aviation program uses qualified volunteer pilots, aircrew, observers, and privately owned or otherwise approved aircraft to support Coast Guard missions. Assignments may include observation, search and rescue, marine safety, environmental response, security support, and transportation when commercial travel is unsuitable.
Maritime operations
Surface Operations
Qualified Auxiliarists may serve as coxswains, boat crew, or other operational personnel using Auxiliary facilities. Their work can support search and rescue, marine safety, environmental protection, waterways management, and approved Coast Guard security activities.
Public-service education · 2007
Auxiliary University Programs
A university-oriented program modeled in part on ROTC-style development but without a mandatory service commitment. It introduces students to seamanship, leadership, Coast Guard careers, internships, and broader public-service opportunities.
Marketing campaigns
- 1958National Safe Boating Week
United States
The Auxiliary supported the formalization of a national boating-safety week emphasizing education, safe equipment, and responsible recreational boating.
Outcome. The observance became an established annual national safety initiative.
- 1952Safe Boating Week
United States
The Auxiliary developed a recurring national boating-safety observance from an earlier courtesy-examination weekend in Massachusetts. The initiative used public education and safety checks to reduce recreational boating risks.
Outcome. The campaign helped lead to the establishment of National Safe Boating Week by federal resolution in 1958.
- Recreational Boating Safety Partnership Program
United States
Auxiliary representatives work with marinas, boating clubs, civic groups, and related businesses to distribute safety information and connect recreational boaters with educational and inspection services.
Outcome. The program extends boating-safety outreach through local organizations and commercial boating communities.
Brand decisions
2003
Transfer the Coast Guard components to Homeland SecurityStrategyBackground
The federal government reorganized homeland-security responsibilities after the creation of the Department of Homeland Security.
Action taken
The Coast Guard, Coast Guard Reserve, and Coast Guard Auxiliary were moved from the Treasury Department into the Department of Homeland Security.
Aftermath
The Auxiliary continued supporting maritime safety, security, emergency response, and other Coast Guard missions within the new department.
1996
Expand the Auxiliary's authorized mission rangeStrategyBackground
Congress sought to enable the Coast Guard to use qualified volunteers more broadly as a force multiplier.
Action taken
Legislation authorized Auxiliary assistance in any Coast Guard mission approved by the Commandant, while retaining restrictions against deputized law enforcement and military combat functions.
Aftermath
Auxiliary support expanded across search and rescue, marine safety, environmental response, administration, communications, aviation, and other approved activities.
1941
Separate the volunteer Auxiliary from the military Coast Guard ReserveStrategyBackground
Congress reorganized the reserve structure two years after creating the volunteer Coast Guard Reserve organization.
Action taken
The original volunteer body was renamed the Coast Guard Auxiliary, while a distinct Coast Guard Reserve received military and law-enforcement responsibilities.
Aftermath
The division established the Auxiliary's continuing identity as a civilian volunteer support organization rather than a military reserve force.
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