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Glossary
| HAZMAT | Hazardous Material |
| Heritage Flight Program | The U.S. Air Force (USAF)-approved military and civilian pilots flying formations consisting of USAF, former USAF, and U.S. Army Air Corps aircraft to demonstrate the history of USAF aircraft. |
| HIRTA | High Intensity Radio Transmission Areas |
| HP/LP | High Pressure/Low Pressure |