Military Occupational
Specialty Directory
Search any military job code or browse specialties by branch.
Browse by Branch
Primary specialty codes per branch, with classification codes in each branch view
Looking up a retired military job code?
Search historical MOS, AFSC, and rating codes to see what they became
Need help reading a DD-214?
Decode pay grade, specialty, separation, SPD, and reentry codes
Studying for the ASVAB?
Free practice test with a gap readout for your target job, plus practice for every subtest
Popular Specialties
Most searched MOS and AFSC codes
Browse by Category
Explore specialties by career field
What is an MOS?
A Military Occupational Specialty (MOS) is a code that identifies a specific job in the military. Each branch uses different naming conventions:
- Army & Marines:
- MOS
- Navy & Coast Guard:
- Rating
- Air Force:
- AFSC
- Space Force:
- SFSC
What if a military job code no longer exists?
Military job codes get renamed, merged, and retired as the services restructure. Our legacy code lookup covers retired codes and shows which current specialty carries each one's lineage.