| Nova 59-4-2 LOx/Kerosene propellant rocket stage. Empty Mass Estimated. |
| Nova NASA-2 LOx/Kerosene propellant rocket stage. . |
| Nova 2 F-1 Module LOx/Kerosene propellant rocket stage. Short Nova building block. Four used in stage 1, one in stage 2. |
| Nova 4 J-2 LOx/LH2 propellant rocket stage. Nova third stage. |
| Nova 60-8-2 LOx/LH2 propellant rocket stage. Mass estimated based on total LV weight. J-2-powered version of this stage also proposed. |
| Nova 9L-2 LOx/Kerosene propellant rocket stage. Masses estimated based on total vehicle thrust, performance, and stage volumes. |
| Nova A-2 LOx/LH2 propellant rocket stage. . |
| Nova B-2 LOx/LH2 propellant rocket stage. . |
| Nova DAC 2-2 LOx/LH2 propellant rocket stage. Operational date would have been July 1977. Recoverable stage. |
| Nova DAC ISI-2 LOx/LH2 propellant rocket stage. Operational date would have been July 1977. Recoverable stage. |
| Nova DAC-2 LOx/LH2 propellant rocket stage. Operational date would have been July 1977. Recoverable stage. |
| Nova GD-B-2 LOx/LH2 propellant rocket stage. Massed estimated based on tank volumes, total thrust, and first stage burnout conditions. |
| Nova GD-E-2 LOx/LH2 propellant rocket stage. Massed estimated based on tank volumes, total thrust, and first stage burnout conditions. |
| Nova GD-F-2 LOx/LH2 propellant rocket stage. Massed estimated based on tank volumes, total thrust, and first stage burnout conditions. |
| Nova GD-J-2 LOx/LH2 propellant rocket stage. Massed estimated based on tank volumes, total thrust, and first stage burnout conditions. |
| Nova MM 14A-2 LOx/LH2 propellant rocket stage. Operational date would have been April 1973. |
| Nova MM 14B-2 LOx/LH2 propellant rocket stage. Operational date would have been February 1973. |
| Nova MM 1B-2 LOx/LH2 propellant rocket stage. Operational date would have been February 1973. |
| Nova MM 1C-2 LOx/LH2 propellant rocket stage. Operational date would have been February 1973. |
| Nova MM 24G-2 LOx/LH2 propellant rocket stage. Operational date would have been December 1974. |
| Nova MM R10E-2 stage Air/LOx/LH2 propellant rocket stage. Operational date would have been October 1980. Expendable stage. Air-augmented plug nozzle. |
| Nova MM R10R-2 stage Air/LOx/LH2 propellant rocket stage. Operational date would have been October 1980. Recoverable stage. Air-augmented plug nozzle. |
| Nova MM S10E-2 stage LOx/LH2 propellant rocket stage. Operational date would have been November 1977. SSTO; expendable; payload 1,283,000 lbs. |
| Nova MM S10R-2 stage LOx/LH2 propellant rocket stage. Operational date would have been July 1978. SSTO; recoverable; payload 842,000 lbs. |
| Nova MM T10EE-1-2 LOx/LH2 propellant rocket stage. Operational date would have been November 1976. Expendable stage. |
| Nova MM T10RR-2-2 LOx/LH2 propellant rocket stage. Operational date would have been December 1976. Recoverable stage. |
| Nova MM T10RR-3-2 LOx/LH2 propellant rocket stage. Operational date would have been July 1977. Recoverable stage. |