| Int'l | Motor | Burn Date | Result | Usage | Launch |
| Desig. | Vehicle | ||||
| Thiokol/Huntsville TX-8 Falcon? | |||||
| 1958-F09 | TX-8 | 1958 Aug 17 | NT | Able/Pioneer AKM | Thor 127 |
| 1958 Eta | TX-8 | 1958 Oct 11 | NT | Able/Pioneer AKM | Thor 130 |
| 1958-F19 | TX-8 | 1958 Nov 8 | NT | Able/Pioneer AKM | Thor 129 |