2016 Heliophysics Small Explorer (SMEX) AO and MO
                 
                
                     
                    Credit: NASA/SDO/AIA
                 
                
                    Introduction
                    The Heliophysics Explorer Program conducts Principal Investigator (PI)-led space science
                    investigations to advance NASA's strategic objective in heliophysics, which is to "Understand the
                    Sun and its interactions with the Earth and the solar system, including space weather." Additional
                    information concerning these areas of investigation is provided through appropriate links found on
                    the SMD homepage at 
http://science.nasa.gov/heliophysics/.
                     
                    The current state of planning calls for NASA SMD to release an Announcement of Opportunity (AO) in
                    the Spring/early Summer of 2016 that will solicit proposals for Small Explorer (SMEX) missions to
                    accomplish Heliophysics Explorer Program science objectives. NASA also plans to simultaneously
                    release a solicitation for Heliophysics Explorer Missions of Opportunity (MO) through a NASA
                    Announcement of Opportunity, Second Stand Alone Missions of Opportunity Notice (SALMON-2). A draft
                    SMEX AO and draft SALMON-2 Program Element Appendix (PEA) are expected to be ready for release for
                    comment in Winter 2015. 
                    
                     
                    
                        2016 Heliophysics Small Explorer (SMEX) and Mission of Opportunity (MO) News
                        
                            - 
                                Selection of Second MO Investigation AnnouncedOn 3/30/20, NASA announced a second science investigation selected for the 2016 Heliophysics Mission of Opportunity (MO) (NASA Press Release 20-033). 
- 
                                Selection of SMEX Investigations AnnouncedOn 6/20/19, NASA announced the science investigations selected for the 2016 Heliophysics Small Explorer (SMEX) Announcement of Opportunity (AO) (NASA Press Release 19-047). 
- 
                                Selection of MO Investigation AnnouncedOn 2/25/19, NASA announced the science investigation selected for the 2016 Heliophysics Mission of Opportunity (MO)
                                    (NASA
                                        Press Release 19-013). 
- 
                                Selection of Investigations AnnouncedOn 7/28/17, NASA
                                announced the science investigations selected for the 2016 Heliophysics Small Explorer
                                (SMEX) and Mission of Opportunity (MO) (NASA
                                    Press Release 17-064).