Editing Discovery Program (section)

===Lunar focused===
* Lunar sample return from the [[South Pole–Aitken basin]], current geological models don't adequately describe the area and this mission would have attempted to solve this issue.<ref name="lpi_8017">{{cite web |url=http://www.lpi.usra.edu/meetings/moon99/pdf/8017.pdf |title=Sample Return Mission to the South Pole Aitken Basin |first1=M. B. |last1=Duke |first2=B. C. |last2=Clark |first3=T. |last3=Gamber |first4=P. G. |last4=Lucey |first5=G. |last5=Ryder |first6=G. J. |last6=Taylor |work=Workshop on New Views of the Moon II |publisher=Lunar and Planetary Institute |archive-url=https://web.archive.org/web/20041109233513/http://www.lpi.usra.edu/meetings/moon99/pdf/8017.pdf |archive-date=November 9, 2004 |url-status=live}}</ref>
* '''EXOMOON''', ''in situ'' investigation on Earth's Moon.<ref>{{cite web |url=http://www.ri.cmu.edu/publication_view.html?pub_id=6129 |title=Robotics Institute: EXOMOON – A Discovery and Scout Mission Capabilities Expansion Concept |publisher=Robotics Institute, Carnegie Mellon University |date=June 15, 2011 |archive-url=https://web.archive.org/web/20140228020156/http://www.ri.cmu.edu/publication_view.html?pub_id=6129 |archive-date=February 28, 2014 |url-status=dead}}</ref>
* '''PSOLHO''', would use the Moon as an occulter to look for exoplanets.<ref>{{cite journal |bibcode=2003AAS...203.0305C |title=Planetary System Occultation from Lunar Halo Orbit (PSOLHO): A Discovery Mission |last=Clarke |first=T. L. |journal=Astrophysics Data System |volume=203 |pages=03.05 |publisher=Harvard-Smithsonian Centre for Astrophysics |year=2003 }}</ref>
* '''Lunette''', a lunar lander.<ref name="lpi_klaus">{{cite web |url=http://www.lpi.usra.edu/meetings/leag2012/presentations/Klaus.pdf |title=Concepts Leading to a Sustainable Architecture for Cislunar Development |first=K |last=Klaus |work=LEAG |publisher=Lunar and Planetary Institute |date=October 24, 2012 |archive-url=https://web.archive.org/web/20140301113544/http://www.lpi.usra.edu/meetings/leag2012/presentations/Klaus.pdf |archive-date=March 1, 2014 |url-status=live}}</ref>
* '''Twin Lunar Lander''', a double lander mission to better understand the Moon's evolution and geology.<ref name="lpi_2832">{{cite web |url=http://www.lpi.usra.edu/meetings/lpsc2011/pdf/2832.pdf |title=Lunette: A Two-Lander Discovery-Class Geophysics Mission to the Moon |first1=C. R. |last1=Neal |first2=W. B. |last2=Banerdt |first3=L. |last3=Alkalai |work=42nd Lunar and Planetary Science Conference (2011) |publisher=Lunar and Planetary Institute |archive-url=https://web.archive.org/web/20140301115247/http://www.lpi.usra.edu/meetings/lpsc2011/pdf/2832.pdf |archive-date=March 1, 2014 |url-status=live}}</ref>

[[File:Vmpmvenus.gif|thumb|The Venus Multiprobe Mission involved sending 16 atmospheric probes into Venus in 1999.<ref>{{cite web |url=http://nssdc.gsfc.nasa.gov/planetary/discovery3.html |title=Discovery Missions Under Consideration |publisher=Goddard Space Flight Centre, NASA |archive-url=https://web.archive.org/web/20140301113019/http://nssdc.gsfc.nasa.gov/planetary/discovery3.html |archive-date=March 1, 2014 |url-status=live}}</ref>]]