O-6

Military abbreviation · Military Pay Grade

O-6
Stands forOfficer pay grade 6
CategoriesMilitary

O-6 stands for Officer pay grade 6, a military pay grade abbreviation.

Sixth officer pay grade: Colonel in the Army, Air Force, Space Force and Marine Corps, and Captain in the Navy and Coast Guard. O-6s command brigades, regiments, wings, carriers and major installations.

Example: The garrison commander is an O-6 who reports directly to a two-star general.

Usage notes

Officers at O-6 must generally retire after 30 years of active commissioned service unless selected for flag or general officer rank. O-6 is the highest grade below the general and flag officer ranks, and the boards that select O-6s to O-7 are among the most competitive in the military. NATO code OF-5.

More military pay grade abbreviations

  • O-10 – Officer pay grade 10
  • O-1E – Officer pay grade 1 with prior enlisted service
  • O-2 – Officer pay grade 2
  • O-3 – Officer pay grade 3
  • O-4 – Officer pay grade 4
  • O-5 – Officer pay grade 5
  • O-7 – Officer pay grade 7
  • O-8 – Officer pay grade 8
  • O-9 – Officer pay grade 9
  • OF-1 – NATO officer grade 1
  • OF-10 – NATO officer grade 10
  • OF-2 – NATO officer grade 2

See all 44 military pay grade abbreviations →