www.nasa.govwww.nasa.gov

NASAConstellation

Projects

Closing Comments

July 30, 2009

Influence of Key Drivers on Architecture Selection

NASA Developed

Human Spaceflight

NASA Developed

Human Spaceflight

BeyondLEO?

BeyondLEO?

Where First?Where First?

New Needs, Goals and Objectives

No

New Needs, Goals and Objectives

No

New Exploration Architecture

Document, New Cx Architecture Requirements

Document (CARD)

VSE, ‘05/’08 NASA Auth.

VSE, ‘05/’08 NASA Auth.

Other

MoonHeavy Lift(Ares V)

NASA Develop ISS Crew

Transport?

NASA Develop ISS Crew

Transport?

Yes

Crew Launch(Ares I)

No

Has Missions Beyond LEO

Has Missions Beyond LEO

Yes

No

Separate Crew and Cargo

Separate Crew and Cargo

Yes

No

Significant Safety Increase

Over Legacy Systems

Significant Safety Increase

Over Legacy Systems

Yes No

Shuttle CAres V

Spacecraft(Orion)

Yes

Yes!

International

Lunar Surface Access(Altair)

or

Exploration Crew Transport

Orbital Space Plane

Continue Shuttle

or

EELV

Maximum commonality and

cost Sharing

National Aeronautics and Space AdministrationNational Aeronautics and Space Administration 22

Overall Constellation Goals

Significantly reduce the net cost of LEO access, and

Achieve unprecedented levels of crew safety, and

Extend ‘sphere of human operations’ beyond LEO

From 250 nmi to 250,000+ nmi

Page 3

ISS and Other LEO Destinations/Servicing

Commercial and Civil LEO

Current Capabilities

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Deep Space Robotics

44

Mars Surface, Phobos, Deimos

Lunar Orbit, Lunar Surface (global)

Asteroids and Near-Earth Objects

LEO: Commercialand Science

Current Development for Future Exploration Capabilities

Deep Space Robotics

55

Future Growth Capability

(Requires Add’l Development & Cost)

ISS and Other LEO Destinations/Servicing

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