| Rank | Abbreviation | Meaning |
|---|
| ***** | CLEAR | (DOD) 1.To approve or authorize, or to obtain approval or authorization for: a.a person or persons with regard to their actions, movements, duties, etc.; b.an object or group of objects, as equipment
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| ***** | CLEAR | (DOD) 8.To clear the air to gain either temporary or permanent air superiority or control in a given sector.
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| **** | CLEAR | (DOD) 6.a.To operate a gun so as to unload it or make certain no ammunition remains; and b.to free a gun of stoppages.
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| *** | CLEAR | Communications Link Expert Assistance Resource
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| *** | CLEAR | (DOD) 5.To pass a designated point, line, or object.The end of a column must pass the designated feature before the latter is cleared.
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| * | CLEAR | (DOD) 7.To clear an engine; to open the throttle of an idling engine to free it from carbon.
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| * | CLEAR | Colorado List of Emergency Assistance Recipients
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| * | CLEAR | Citizen Law Enforcement Analysis and Reporting
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| * | CLEAR | County Law Enforcement Applied Regionally
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| * | CLEAR | (DOD) 2.To give one or more aircraft a clearance.
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| * | CLEAR | (DOD) 3.To give a person a security clearance.
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| * | CLEAR | Criminal Alien Removal Act
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| * | CLEAR | Campaign Logistics Expenditure and Replenishment Model
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| * | CLEAR | Closed Loop Execution and Recovery
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| * | CLEAR | (DOD) 4.To fly over an obstacle without touching it.
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| * | CLEAR | Company Level Evacuation and Recovery
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