POLICE - Singapore Police Force (1945-1959)
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| CONSTABLE | 2ND CLASS CONSTABLE | 1ST CLASS CONSTABLE |
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| LANCE CORPORAL | CORPORAL | SERGEANT |
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| STAFF SERGEANT | SUB INSPECTOR |
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| CADET INSPECTOR | POBATIONARY INSPECTOR | INSPECTOR |
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| SENIOR INSPECTOR | CHIEF INSPECTOR | POBATIONARY ASSISTANT / SUPERINTENDENT OF POLICE | ASSISTANT SUPERINTENDENT OF POLICE |
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| DEPUTY SUPERINTENDENT OF POLICE | SUPERINTENDENT OF POLICE | ASSISTANT COMMISSIONER OF POLICE |
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| SENIOR ASSISTANT COMMISSIONER OF POLICE | DEPUTY COMMISSIONER OF POLICE | COMMISSIONER OF POLICE |