 |
| English | Thesaurus |
| Capabilities And Requirement Demonstration SEBASS High Altitude Reconnaissance Program | CARD SHARP (USA) |
| High Altitude Auroral Research Program | HAARP project (MichaelBurov) |
| High Altitude Auroral Research Program | HAARP Program (MichaelBurov) |
| High Altitude Auroral Research Program | project HAARP (MichaelBurov) |
| High Altitude Auroral Research Program | HAARP (MichaelBurov) |
| High Altitude Auroral Research Program | HAARP facility (MichaelBurov) |
| High Altitude Research Programme | HARP |
| National High Altitude Photography Program | NHAP |
| Transition Altitude | TA |