| Acronym | Meaning |
 | NTSB | National Transportation Safety Board |
| NSA | National Security Agency |
| AHPCRC | Army High Performance Computing Research Center |
| CPSC | Consumer Product Safety Commission |
| FASAB | Federal Accounting Standards Advisory Board |
| CHAMPVA | Civilian Health And Medical Program Of The Department Of Veterans Affairs |
| SUDOC | Superintendent Of Documents |
| ICAO | International Civil Aviation Organization |
| ITC | United States International Trade Commission |
| NCEH | National Center For Environmental Health |
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