List of NASA cancellations

This is a list of cancellations and terminations made by NASA.

Program terminations

 * U.S. participation in ExoMars - 2012
 * Mars Scout Program - 2010
 * Constellation program - 2010
 * New Millennium Program - 2009
 * Project Prometheus - 2005


 * Additional examples
 * NASA X-38 (Crew Return Vehicle)- 2002
 * Lockheed Martin X-33 - 2001
 * HL-20 Personnel Launch System - 1993

Mission cancellations (developmental)

 * Gravity and Extreme Magnetism - 2012
 * International X-ray Observatory - 2011
 * Terrestrial Planet Finder - 2011
 * Laser Interferometer Space Antenna - 2011
 * Space Interferometry Mission - 2010
 * Mars Telecommunications Orbiter - 2009
 * Jupiter Icy Moons Orbiter - 2005
 * Europa Orbiter - 2002
 * Deep Space 3 (a.k.a. Starlight)
 * Deep Space 4 (a.k.a. Champollion)
 * Voyager 3 - 1970s
 * Voyager program (Mars) - 1971