Exploration Program Status Presentation to the NASA Advisory Council

Download full presentation

Exploration Program Status Presentation to the NASA Advisory Council
Doug Cooke, Associate Administrator, NASAs Exploration Systems Mission Directorate
January 11, 2011

* Key Auth Act Direction

- The Administrator shall, to the extent practicable, extend or modify existing vehicle development and associated contracts
- The initial capability of the core elements, without an upper stage, of lifting payloads weighing between 70 tons and 100 tons into low-Earth orbit
- The capability to lift the multipurpose crew vehicle
- The capability to serve as a backup system for supplying and supporting ISS cargo requirements or crew delivery requirements not otherwise met by available commercial or partner-supplied vehicles

* SLS Reference Vehicle Design

- 27.5' Diameter LOX/LH2 Core Stage
- Five RS25 based engines using Shuttle assets then RS25E expendable derivative
- Two 5-Segment Ares derived SRBs
- Delivers 108.6t to 30x130 nmi

* Evolved System to 130mT

- Upper stage with one or two J-2X upper stage engines (trades pending)
- Draft FY11 CR language dictates concurrent development of upper stage with core vehicle

Please follow SpaceRef on Twitter and Like us on Facebook.