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| BUD/S | |
|---|---|
| Name | BUD/S |
| Established | 1960s |
| Type | Special warfare training |
| Location | Coronado, California |
| Administered by | United States Navy |
| Length | 24 weeks (approx.) |
| Website | (official) |
BUD/S The Basic Underwater Demolition/SEAL training program is the primary pipeline for producing United States Navy SEALs and has shaped maritime special operations doctrine since the 1960s. Trainees pass through a prescribed regimen of physical training, small unit tactics, and combat diving designed to prepare candidates for assignments with Naval Special Warfare Command, Team 1 (SEAL Team One), Team 2 (SEAL Team Two), Team 3 (SEAL Team Three), and other SEAL and special operations units. The program is conducted at Naval Amphibious Base Coronado and intersects with institutions such as the Naval Special Warfare Center and training events linked to United States Special Operations Command.
BUD/S traces origins to World War II units including Naval Combat Demolition Units and Underwater Demolition Teams which operated in the European Theatre, the Pacific Theatre, and during operations such as the Normandy landings and Operation Overlord. Postwar developments under figures like President John F. Kennedy and commands such as Naval Special Warfare Command institutionalized dedicated special warfare training. The program evolved alongside operations in Vietnam War, Operation Just Cause, Gulf War, Operation Enduring Freedom, and Operation Iraqi Freedom as tactics from frogman operations, insertion and extraction techniques, and special reconnaissance were codified. Over decades, BUD/S integrated lessons from units such as British Special Boat Service, United States Marine Corps Force Reconnaissance, and Army Special Forces exchanges, while academic analyses from think tanks and authors like Colin S. Gray and John A. Nagl influenced doctrine.
Administration of the course falls under the Naval Special Warfare Training Command and the Naval Special Warfare Center, with cadre drawn from Naval Special Warfare Group 1 (NSWG-1), Naval Special Warfare Group 2 (NSWG-2), SEAL Delivery Vehicle Team One, and support from Navy Medicine units. Curriculum components include combatant dive instruction, land warfare modules, close-quarters battle basics, and specialty blocks reflecting platforms like SEAL Delivery Vehicles, Mk V Special Operations Craft, and RHIBs. Academic subjects touch on navigation used by NOAA charts, communications tied to Naval Information Warfare Systems Command, and survival techniques reminiscent of SERE curricula. Graduates receive further training at programs such as SEAL Qualification Training and may attend advanced schools run by Special Operations Command North or foreign partner schools like SBS training exchanges.
The program is divided into discrete phases beginning with a preparatory indoctrination, followed by three principal phases: First Phase (Physical Conditioning and Land/Surf), Second Phase (Diving), and Third Phase (Land Warfare). Candidates must pass prerequisites administered by recruiting elements such as Navy Recruiting Command and complete pre-course tests used by Naval Special Warfare Center. Training includes timed swims, long runs, obstacle courses, and classroom instruction overseen by cadre from SEAL Team 8 (CTRG) and instructors with combat experience from Operation Anaconda and Operation Phantom Fury. Integration with schools such as Navy Diving and Salvage Training Center occurs for technical dive qualification.
Standards require performance metrics comparable to benchmarks promoted by Navy Fitness and medical screening by Navy Medicine corpsmen; candidates undergo screening for conditions addressed in Wounds and injuries case studies from Military Medicine (journal) and must meet swim, run, push-up, and sit-up minima patterned on historical attrition studies. Mental resilience is evaluated through stress inoculation exemplified in literature on psychological stress and group cohesion work deriving from research affiliated with Naval Postgraduate School and behavioral studies by RAND Corporation. Medical classes address hypoxia treatments pioneered in United States Navy Experimental Diving Unit studies and cold-water exposure protocols traced to USS Indianapolis historical analysis.
Iconic elements include the surf-based “hell week” evolution influenced by Amphibious warfare practices, long-distance open-water swims, and night navigation exercises involving compass navigation and small-boat handling in training areas near San Diego Bay and Mission Bay. Demolition and breaching training draws lineage from Naval Combat Demolition Units and practical applications seen in Operation Neptune Spear planning. Combat marksmanship and urban breaching incorporate techniques paralleling those taught at Marine Corps Scout Sniper School and Delta Force interoperability exercises. Joint training exercises occur with partner commands such as United States Coast Guard units, Joint Special Operations Command, and allied formations like Australian Special Air Service Regiment and British Royal Marines.
Historically high attrition rates, often exceeding 70–80% in a given class, have been documented in analyses by institutions including Naval Special Warfare Center briefings and independent studies from Congressional Research Service and Defense Manpower Data Center. Graduations fluctuate by cohort influenced by recruitment standards set by Chief of Naval Operations policies, preexisting fitness programs from Navy ROTC pipelines, and wartime operational tempo during campaigns such as Global War on Terrorism which affected throughput and retention.
BUD/S has faced scrutiny over allegations related to training safety, medical oversight, and culture in reports by Department of Defense, congressional inquiries led by committees like the Senate Armed Services Committee, and investigative journalism outlets such as The New York Times. Debates center on risk management compared with standards from Occupational Safety and Health Administration-style frameworks, diversity and recruitment disparities noted by Government Accountability Office reports, and incidents prompting internal reviews by Naval Inspector General. Legal and ethical discussions reference cases adjudicated in United States Court of Appeals decisions and policy reforms implemented by Secretary of the Navy directives.
Category:United States Navy special operations