| Name | Format | # Lines | Size | Date |
|---|---|---|---|---|
| X-1.acf | Text File | 985 | 26KB | 1997-09-27 |
| X-15.acf | Text File | 985 | 27KB | 1997-09-27 |
| X-3 Stilleto.acf | Text File | 985 | 27KB | 1997-09-27 |
| X-30 Aerospace Plane.acf | Text File | 985 | 27KB | 1997-09-29 |
| XB-70 Valkyrie.acf | Text File | 985 | 27KB | 1997-09-28 |