| OUSEC | OFFICE OF THE UNDERSECRETARY
| | ODA | OFFICE OF THE DEPUTY ADMINISTRATOR
| CASB
| CIVIL AVIATION SECURITY BUREAU
| | MTSB | MARITIME TRANSPORTATION SECURITY BUREAU
| LTSB
| LAND TRANSPORTATION SECURITY BUREAU
| IOB
| INTELLIGENCE & OPERATIONS BUREAU
| LPB
| LEGAL & PLANNING BUREAU | AFB
| ADMIN & FINANCE BUREAU |
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