Combatant Diver Qualification Course
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| Combatant Diver Qualification Course | |
|---|---|
| Name | Combatant Diver Qualification Course |
| Type | Special operations diving course |
| Location | Panama City, Florida; Coronado, California; San Diego, California |
| Established | 1950s |
| Administered by | United States Navy United States Navy SEALs Special Warfare Combatant-craft Crewmen |
| Duration | 7–9 weeks (varies) |
Combatant Diver Qualification Course The Combatant Diver Qualification Course is an intensive underwater insertion and closed-circuit diving training program conducted by United States Department of Defense components for selected United States Navy and allied special operations personnel. The course emphasizes closed-circuit rebreather operations, long-range swim endurance, combatant diver tactics, and maritime infiltration techniques used by United States Navy SEALs, Naval Special Warfare Command, Underwater Demolition Team legacy units, and other Special Operations Command elements. It prepares candidates for ship-to-shore, submarine lockout, and reconnaissance missions employed in theaters such as the Persian Gulf, South China Sea, and Mediterranean Sea.
History
Origins trace to Underwater Demolition Teams of World War II, including lessons from the Battle of Peleliu and training innovations influenced by Office of Strategic Services maritime operations and John F. Kennedy’s advocacy for special warfare. During the Cold War, doctrine evolved alongside programs at Naval Amphibious Base Coronado, expanded by exchanges with Royal Navy Special Boat Service and French Navy combat swimmers developed after the Indochina War. Post-Vietnam restructuring integrated courses with Naval Special Warfare Center curricula and interoperability standards from North Atlantic Treaty Organization partnerships and Joint Special Operations Command requirements.
Eligibility and Selection
Candidate pools typically include United States Navy SEALs, Special Warfare Combatant-craft Crewmen, United States Marine Corps Force Reconnaissance, United States Air Force Pararescue, and select allied SOF personnel from nations such as United Kingdom, Australia, and Canada. Selection prerequisites reference completion of basic special warfare pipelines like BUD/S or equivalent qualification courses administered by Naval Special Warfare Center or allied institutions, medical screening by Department of Defense Medical Examination Review Board, and security clearances linked to Defense Counterintelligence and Security Agency. Physical standards align with demanding swim times, underwater breath-hold benchmarks, and endurance events similar to standards used by Special Operations Command Europe and United States Special Operations Command Africa deployments.
Training Curriculum
Curriculum covers closed-circuit rebreather familiarization, oxygen exposure limits, dive tables, and underwater navigation using compasses and natural reference points taught in conjunction with doctrine influenced by NATO diving manuals and United States Navy Diving Manual principles. Instructional modules include pool proficiency, open-water long-distance swims, night surface and subsurface infiltration, and tactical breakouts for ship and submarine lockout procedures derived from submarine-delivery systems used by United States Navy Submarine Force and Special Warfare Combatant-craft Crewmen. Academic blocks address physiology of diving, decompression sickness management with knowledge from National Institutes of Health research, underwater demolition planning influenced by historical Naval Mine Warfare campaigns, and mission planning tied to United States European Command and United States Indo-Pacific Command maritime operations.
Equipment and Techniques
Trainees master closed-circuit rebreathers such as variants of the MK 16 Mod 1 and oxygen rebreathers used by SOF elements, swimfins, low-profile masks, and navigation aids compatible with submarine lockout from Ohio-class submarine or delivery platforms like SEAL Delivery Vehicle. Techniques include buddy breathing, tactical surface swims, submerged navigation using compass and natural landmarks relevant to littoral zones like Strait of Hormuz and Bab el-Mandeb Strait, and surfacing procedures coordinated with small-craft extraction used by units operating alongside Special Boat Service-style craft. Medical and emergency protocols cover hypoxia, hypercapnia, and decompression pathologies with evacuation plans employing assets such as V-22 Osprey or MH-60R Seahawk helicopters.
Graduation and Qualification
Graduation confers an operational diving qualification recognized within Naval Special Warfare communities and is documented in service records consistent with United States Navy personnel management systems. Graduates integrate into units deploying across theaters including CENTCOM, INDOPACOM, and EUCOM and may receive follow-on assignments to platoons, detachments, and joint task forces under Joint Special Operations Command. Qualification permits participation in submarine lockout missions, clandestine maritime reconnaissance, and direct-action insertions requiring advanced closed-circuit diving skills.
Notable Operations and Units
Notable units employing graduates include Naval Special Warfare Development Group, SEAL Team Six, SEAL Team 2, SEAL Team 10, Naval Special Warfare Group 1, and allied units such as Special Boat Service and Marine Nationale Fusiliers Marins. Graduates have supported operations in conflicts including Operation Enduring Freedom, Operation Iraqi Freedom, Operation Ocean Shield, and multinational exercises like RIMPAC and NATO Operation Sea Guardian. Historical missions drawing on combat diver techniques encompass World War II Operation Overlord reconnaissance precedents, Cold War clandestine maritime surveillance, and modern counter-piracy and counter-terrorism interdictions in regions such as the Horn of Africa.