Downmass options for STS-135; Next big planetary missions
If the additional Shuttle flight is approved, it could be used to bring back some large pieces of equipment for examination: STS-135: Downmass requests build with ISS interest in returning a BGA motor – NASASpaceFlight.com. === Ray at Vision Restoration discusses his favorites in the Planetary Science Decadal Survey’s mission list: Compelling Planetary Science Missions: Enceladus Orbiter.