ODA 1234 would signify 1st Special Forces Group, 2nd Battalion, 3rd Company, and the fourth ODA team within 3rd Company. An ODA consists of 12 soldiers, each of whom has a specific function (MOS or Military Occupational Specialty) on the team; however, all members of an ODA conduct cross-training. The ODA is led by an 18A (Detachment Commander), a Captain, and a 180A (Assistant Detachment Commander) who is their second in command, usually a Warrant Officer One or Chief Warrant Officer Two. The team also includes the following enlisted soldiers: one 18Z (Operations Sergeant) (known as the "Team Sergeant"), usually a Master Sergeant, one 18F (Assistant Operations and Intelligence Sergeant), usually a Sergeant First Class, and two each, 18Bs (Weapons Sergeant), 18Cs (Engineer Sergeant), 18Ds (Medical Sergeant), and 18Es (Communications Sergeant), usually Sergeants First Class, Staff Sergeants, or Sergeants. This organization facilitates 6-man "split team" operations, redundancy, and mentoring between a senior NCO and their junior assistant. Qualifications The basic eligibility requirements to be considered for entry into the Special Forces for existing service members are: Be age 20–36 Be a U.S. citizen Be a high school graduate Have Armed Services Vocational Aptitude Battery (ASVAB) score of 110 or higher Be qualified for Airborne School or Ranger School Pass the Physical Fitness test and meet height and weight standards Be of rank E-3 (Private First Class, Specialist, Sergeant, or Staff Sergeant) or higher Have fewer than 9 months of service as E-7 when applying Have no more than 12-14 years in service prior to training and have 36 months or more left in service after completing SF training (if able to) Be eligible for secret clearance For officers, the requirements are: Be of rank first lieutenant or captain Have a Defense Language Aptitude Battery (DLAB) score of 85 or higher Be eligible for top secret clearance Support personnel assigned to a Special Forces unit who do not possess a Special Forces 18-series career management field (CMF) MOS are not "Special Forces qualified", as they have not completed the Special Forces Qualification Course (SFQC or "Q" Course); however, they do have the potential to be awarded the Special Qualification Identifier (SQI) "S" (Special Operations / Special Operations Support) once they complete the appropriate unit-level training, 24 months with their Special Forces unit, and Basic Airborne School (except for CMF 15) Selection and training The Special Forces soldier trains on a regular