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Athena-3
 Athena-3 [ATK] |
The Athena-3 is a rocket planned by ATK as a medium launch vehicle.
The vehicle is based on a Castor-900 three-segment SRB booster, which is derived from the Space Shuttle four-segment SRB. This first stage is topped by a Castor-120 and a Castor-30 solid rocket motors.
In March 2017, Lockheed Martin announced, that they are ending the active marketing of the Athena family of rockets.
| Version | Stage 1 | Stage 2 | Stage 3 | Stage 4 |
|---|---|---|---|---|
| Athena-3 | Castor-900 (SRB-3) | Castor-120 | Orbus-21D | OAM / 4 × MR-107 |
| Performance (kg) | LEO | LPEO | SSO | GTO | GEO | MolO | IP |
|---|---|---|---|---|---|---|---|
| Athena-3 |
No: TNo: Type: Date LS Payload
none Planned: Launch sites: CC = Spaceport Florida, Cape Canaveral, Florida, USAKd = Pacific Spaceport Complex - Alaska (Kodiak Launch Complex), Kodiak Island, Narrow Cape, Alaska, USA
