Few units evoke as much awe and respect in special operations forces as the US Army’s Delta Force and the US Navy’s SEAL Team 6. Both are considered the crème de la crème of their respective branches, boasting impressive records of daring missions and exceptional bravery. But how do they compare?
Delta Force
- Also known as: 1st Special Forces Operational Detachment-Delta (1st SFOD-D)
- Branch: US Army
- Established: 1977
- Mission: Counter-terrorism, direct action, and special reconnaissance
- Selection process: Voluntary, with a grueling assessment and selection process that includes physical and mental challenges
- Operators: Trained in advanced marksmanship, close-quarters combat, and languages
- Notable operations: Operation Eagle Claw (Iran hostage rescue), Operation Just Cause (Panama), and Operation Iraqi Freedom
SEAL Team 6
- Also known as DEVGRU (United States Naval Special Warfare Development Group)
- Branch: US Navy
- Established: 1980
- Mission: Counter-terrorism, direct action, and special reconnaissance
- Selection process: Voluntary, with a demanding assessment and selection process that includes physical and mental challenges
- Operators: Trained in advanced marksmanship, close-quarters combat, parachuting, and diving
- Notable operations: Operation Neptune Spear (Bin Laden raid), Operation Enduring Freedom (Afghanistan), and Operation Inherent Resolve (Iraq and Syria)
Delta Force vs SEAL Team 6 Comparison
- Structure: Delta Force is organized into squadrons, while SEAL Team 6 is divided into teams
- Size: Delta Force has approximately 1,000 operators, while SEAL Team 6 has around 300
- Mission scope: Both units conduct counter-terrorism and direct action missions, but Delta Force focuses more on land-based operations, while SEAL Team 6 is trained for maritime and amphibious operations
- Training: Both units undergo rigorous training, but Delta Force is known for its emphasis on advanced marksmanship and language skills, while SEAL Team 6 places a strong focus on parachuting and diving
Delta Force Training Outline
- The Delta Force, also known as the 1st Special Forces Operational Detachment-Delta (1st SFOD-D), is the United States Army’s elite special operations force. The training program for Delta Force operators is notoriously grueling and selective, with a high dropout rate. Here is an outline of the training process:
- Phase 1: Pre-Selection
- Physical Screening: Candidates must pass a rigorous physical assessment, including a 2-mile run, obstacle course, and swim test.
- Background Check: Candidates undergo a thorough background check to ensure they meet the required security clearance.
- Phase 2: Assessment and Selection
- Selection Course: Candidates attend a 2-week selection course, which includes:
- Physical challenges, such as obstacle courses and endurance tests
- Mental challenges, such as problem-solving and teamwork exercises
- Psychological evaluations, including interviews and personality assessments
- Dropout Rate: Typically, 70-80% of candidates drop out during this phase.
- Phase 3: Basic Training
- Basic Skills Training: Candidates learn basic skills, including:
- Marksmanship
- First aid
- Communications
- Navigation
- Combat Skills Training: Candidates learn advanced combat skills, including:
- Close-quarters combat (CQC)
- Room clearing
- Explosives and demolitions
- Phase 4: Advanced Training
- Specialized Skills Training: Candidates learn specialized skills, including:
- Language training
- Surveillance and reconnaissance
- Unarmed combat
- Advanced first aid
- Scenario-Based Training: Candidates participate in scenario-based training, including:
- Hostage rescue
- Counter-terrorism
- Direct action
- Phase 5: Unit Training
- Team Training: Candidates are assigned to a team and undergo team training, including:
- Team-building exercises
- Tactical training
- Mission planning and execution
- Final Exercise: Candidates participate in a final exercise simulating a real-world mission.
- Phase 6: Ongoing Training
- Continuous Training: Delta Force operators constantly train to maintain and improve their skills.
- Specialized Training: Operators may receive specialized training in areas such as:
- Advanced language training
- Technical Surveillance
- High-risk crisis management
- Graduation and Assignment
- Graduation: Candidates completing the training program are awarded the “Operator” tab and assigned to a Delta Force squadron.
- Assignment: Operators are assigned to a team and begin conducting real-world missions.

Seal Team DEVGRU Training Outline
Phase 1: Assessment and Selection
Physical Screening
- 500-yard swim in 12 minutes 30 seconds or less
- 42 push-ups in 2 minutes or less
- 50 sit-ups in 2 minutes or less
- 1.5-mile run in 10 minutes 30 seconds or less
- 6 pull-ups in 2 minutes or less
Psychological Evaluation
- Personality assessment
- Background check
- Interviews with psychologists and selection committee
BUD/S (Basic Underwater Demolition/SEAL) Training
- 24 weeks of intense physical and mental training
- Includes:
- Conditioning phase
- Dive phase
- Land warfare phase
- Obstacle course
- Drown-proofing
- Hell Week
Phase 2: Advanced Training
Parachute Training
- Static line jumping
- Free-fall jumping
- HALO (High Altitude, Low Opening) jumping
Advanced Land Warfare Training
- Close quarters combat (CQC)
- Advanced marksmanship
- First aid and trauma care
- Communications and navigation
- Explosives and demolitions
Advanced Maritime Training
- SCUBA diving
- Underwater operations
- Small boat operations
- Maritime navigation and tactics
Survival, Evasion, Resistance, and Escape (SERE) Training
- Survival techniques
- Evasion techniques
- Resistance to interrogation
- Escape and evasion techniques
Phase 3: Unit Training
DEVGRU Training
- Advanced sniper training
- Advanced CQC training
- High-risk training
- Advanced demolitions training
- Advanced communications training
- Mission planning and execution
Language Training
- Language proficiency training
- Cultural awareness training
Specialized Training
- Advanced driving training
- Advanced parachuting training
- Advanced diving training
- Advanced mountaineering training
Phase 4: Ongoing Training
Continuous Training
- Quarterly training exercises
- Bi-annual advanced training
- Annual sniper re-qualification
- Annual CQC re-qualification
Leadership and Mentorship
- Leadership training
- Mentorship training
- Team leader training
Language Maintenance
- Language proficiency maintenance
- Cultural awareness maintenance
Note: The training outline above generally represents the training process and may not be entirely accurate or up-to-date. The actual training process for DEVGRU is highly classified and only available to authorized personnel.
Delta Force vs SEAL Team 6 Conclusion
In the end, Delta Force and SEAL Team 6 are elite units that have earned their reputations as the best. While they share some similarities, they also have distinct structure, size, and mission scope differences. Ultimately, the choice between these two units comes down to personal preference and the mission’s specific needs. One thing is certain: both are elite and gifted in their own special way. America can remain abundantly proud of all its elite forces in all the branches.


