Rank | Abbreviation | Meaning |
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***** | JCOS | Joint Chiefs of Staff
| |
***** | JCOS | Joint Countermine Operations Simulation
| |
***** | JCOS | Jefferson County Open School
| |
***** | JCOS | Joint Countermine ACTD Simulation
| |
***** | JCOS | Junos Class of Service
| |
**** | JCOS | Justification for Continued Operations
| |
**** | JCOS | Joyful Company of Singers
| |
**** | JCOS | Joint Commission Observers
| |
**** | JCOS | Junior Commissioned Officers
| |
**** | JCOS | Jewish Committee on Scouting
| |
**** | JCOS | Joint Committee on Security
| |
**** | JCOS | Joint Capital Outlay Subcommittee
| |
**** | JCOS | Joint Countermine Operational Simulation
| |
**** | JCOS | Jefferson County Open Space
| |
*** | JCOS | Joint Committee on Spending
| |
*** | JCOS | Juneau Commission on Sustainability
| |