Earth System Science Pathfinder

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The Earth System Science Pathfinder (ESSP) Program is a science-driven Program designed to provide an innovative approach to Earth science research by providing periodic, competitively selected opportunities to accommodate new and emergent scientific priorities. ESSP Projects include developmental, high-return Earth Science missions including advanced remote sensing instrument approaches to achieve these priorities, and often involve partnerships with other U.S. agencies and/or with international science and space organizations. These Projects are capable of supporting a variety of scientific objectives related to Earth science, including the atmosphere, oceans, land surface, polar ice regions and solid earth. Projects include development and operation of space missions, space-based remote sensing instruments for missions of opportunity, and airborne science missions, and the conduct of science research utilizing data from these missions. ESSP missions encompass the entire Project life-cycle from definition, through design, development, integration and test, launch, operations, science data analysis, distribution and archival.

ESSP is home to NASA’s Earth Venture (EV) class of missions: a series of uncoupled, relatively low-to-moderate cost, small to medium-sized, competitively selected, full orbital missions (EVM), instruments for orbital missions of opportunity (EVI) and sub-orbital projects (EVS), legacy ESSP Projects: Projects selected under prior Announcements of Opportunity that are currently in operations, and non-competitive, directed Projects: projects that are designed to meet unique needs such as the replacement of a mission that did not fulfill its intended mission requirements.

The Principal Investigator for each competitively selected Project is responsible for the overall success of the Project, and is accountable to NASA for the success of the mission. Project teams may include university, industry, government, Federally Funded Research and Development Centers and international partners, as desired by the Principal Investigator.

The Science Mission Directorate (SMD), in collaboration with the Office of the Chief Engineer (OCE)/Academy of Program/Project and Engineering Leadership (APPEL), sponsors the Hands-On Project Experience (HOPE) projects through Training Opportunities (TO) to develop an in-house Project Team that will fly an Earth or space science and/or technology payload having a useful purpose to SMD on any suborbital-class platform including sounding rocket, balloon, aircraft (piloted, unmanned, or parabolic), CubeSat, or suborbital reusable launch vehicle (sRLV). The SMD AA, in collaboration with OCE, has designated that the ESSP Program Office at the NASA Langley Research Center will provide the program and project management oversight responsibilities for HOPE project implementation, and serve as the principle interface with the selected Center project team(s) throughout the implementation phase.

Contact ESSP

EV Solicitation Schedule

Solicitation Release Fiscal Year
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
EVS-1
(none)
EVM-1
EVI-1
EVS-2,
EVI-2
(none)
EVM-2,
EVI-3
EVI-4
EVS-3
EVI-5
EVM-3,
EVI-6
(none)
EVI-7

Key
- EVS: Earth Venture Sub-Orbital solicitation
- EVM: Earth Venture Mission solicitation
- EVI: Earth Venture Instruments solicitation

Acquisition-specific information can be found on the Science Office for Mission Assessments website

ESSP Program Library and Information

ESSP Projects

DIVISION
NAME
LAUNCH DATE
PHASE
Earth
June 10, 2011
Close Out
Earth
April 28, 2006
Extended Operations
Earth
April 28, 2006
Extended Operations
Earth
March 17, 2002
Extended Operations
Earth
July 2, 2014
Operating
Earth
TBD
Formulation

Earth Venture Missions

DIVISION
NAME
LAUNCH DATE
PHASE
Earth
NET November 2016
Implementation

Earth Venture Instruments

DIVISION
NAME
DELIVERY DATE
PHASE
Earth
NLT March 21, 2018
Implementation
Earth
NLT March 31, 2019
Formulation
Earth
MAIA
TBD
Formulation
Earth
September 30, 2017
Implementation
Earth
TROPICS
TBD
Formulation


Earth Venture Sub-Orbital 1 Investigations

DIVISION
NAME
INVESTIGATION TIMELINE
Earth
November 19, 2010 – March 31, 2016
Earth
July 21, 2010 – July 20, 2016
Earth
September 28, 2010 – March 31, 2016
Earth
July 21, 2010 – September 30, 2015
Earth
August 3, 2010 – August 3, 2016

Earth Venture Sub-Orbital 2 Investigations

DIVISION
NAME
INVESTIGATION TIMELINE
Earth
February 1, 2015 – January 31, 2020
Earth
April 1, 2015 – March 31, 2020
Earth
August 12, 2015 – August 11, 2018
Earth
January 15, 2015 – January 14, 2020
Earth
February 1, 2015 – January 31, 2020
Earth
April 1, 2015 – December 31, 2020
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