U.S. Army Diver (12D) Career – Military Occupational Specialties (MOS)


A diver performs tasks such as reconnaissance, demolition and salvage in underwater conditions.

They specialize in either scuba diving (below the surface of water) or deep-sea diving (longer periods of time in depths up to 190 feet).

Job Duties

  • Inspect and clean watercraft propellers and hulls
  • Patch damaged watercraft hulls
  • Salvage sunken equipment
  • Patrol the waters
  • Assist with underwater construction of piers and harbor facilities
  • Survey rivers, beaches and harbors for underwater obstacles


Those who want to serve must first take the Armed Services Vocational Aptitude Battery, a series of tests that helps you better understand your strengths and identify which Army jobs are best for you.


Diver candidates must complete 10 weeks of Basic Combat Training and 29 weeks of Advanced Individual Training. Part of this time is spent in the classroom and part in the field, with on-the-job diving practice and repair work.

Some of the skills you’ll learn:

  • Principles of scuba and surface-supplied diving
  • Underwater welding and cutting
  • Use and care of hand and power tools
  • Maintenance of diving equipment
  • Explosives

Helpful Skills

  • Interest in mechanics and building
  • Ability to stay calm under stress
  • Interest in underwater diving
  • High degree of self-reliance

Required ASVAB Score(s)

Skilled Technical (ST) : 106
General Maintenance (GM) : 98, General Technical (GT) : 107