TheConstellation program was a proposed spacecraft program of the United States of America. It was intended to replace the retired NASA space shuttle program. It was mothballed or canceled by US President Barack Obama around 2010-2011.

It consists of:

• The Orion Spacecraft (CEV)
• The Lunar Surface Access Module
• The Ares I (CLV) launch vehicle
• The Ares V (CaLV) launch vehicle

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  Insignia of the Office of Exploration Systems that manages the project
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  Project Constellation logo
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  Project Constellation insignia
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  The Ares launch vehicle insignia
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  Orion logo designed by Michael Okuda
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  The Altair spacecraft insignia

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  Original designs for the Ares I (near right) and V (far right) compared to Saturn V of Apollo era (Far left) and current Shuttle (near left)
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  Current designs for the Ares I (near right) and V (far right) compared to Saturn V of Apollo era (Far left) and current Shuttle (near left)
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  Proposed Ares IV
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  The Ares V (left) and I (right)
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  Ares V (left) and I (right)
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  Ares I Exploded View
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  Ares V exploded View
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  Launch of a CEV atop an Ares I rocket
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  Launch of a CEV atop an Ares I rocket (configuration of June 2006)
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  Launch of an Ares V
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  Launch of an Ares V (configuration of June 2006)
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  An Ares V jettisons its SRBs and fairing as it ascends to orbit
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  Concept image of the J-2X engine
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  Comparison of the three Ares rockets

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  Orion CEV docked to ISS, as of 15/05/07.
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  Orion CEV approaches ISS, as of 15/05/07.
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  Orion CEV approaches ISS, as of 15/05/07.
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  Orion CEV approaches ISS, as of 15/05/07.
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  Redesigned Orion Spacecraft, as of 20/07/06, now obsolete.
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  Orion CEV exploded view, as of 20/07/06, now obsolete.
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  Orion CEV approaches ISS, as of 20/07/06, now obsolete.
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  Orion CEV on lunar orbit, as of 20/07/06, now obsolete.
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  Orion CEV docked to LSAM on lunar orbit, now obsolete
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  Orion and LSAM lander docked in lunar orbit (previous design)
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  Orion landing
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  Propelled by the upper stage of an Ares V, Orion heads for The Moon. (previous design)
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  An exploded drawing of Orion (previous design)
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  Orion docking to the International Space Station (previous design)
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  Orion descends under parachute after re-entry.
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  Orion and LSAM en route to the moon (previous design)
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  EDS-LSAM-Orion leaving Earth orbit (previous design)
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  Orion Parachute Sequence
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  NASA presents Orion CEV model

Formerly, the Lunar Surface Access Module

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  Astronauts outside the LSAM module, landed on The Moon
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  The ascent stage of the LSAM launches from The Moon
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  Orion flies while docked with lunar lander
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  Altair on the lunar surface

• Constellation program