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**Some programs are limited. Please read solicitations carefully and consult your Office of Research for specifics, such as limited applications through your university and internal application deadlines.**

New technologies play a key role in enabling many of the measurements recommended in the Decadal Surveys and the Climate-Centric Architecture and helping to reduce the cost of other measurements. This InVEST Program program element will facilitate the implementation of the recommended measurements by carefully choosing where to invest in flight validation of systems, including other relevant information system technologies, and small instruments using U-Class satellites to ensure the greatest benefit from NASA’s technology development funds.

The Decadal Survey and Climate-Centric Architecture recommend an integrated strategy for Earth science and applications from space. This InVEST Program program element focuses on flight validation of subsystems, small instruments, measurement techniques and concepts, and other relevant information system technologies to enable Earth science measurements that are included in the Decadal Survey and Climate-Centric Architecture studies. The measurements called out in these two documents include such things as radiation balance; soil moisture; ice sheet height; surface deformation; vegetation structure; land surface composition; carbon dioxide column integrals; ocean, lake, and river water levels; atmospheric gas columns; ocean color; aerosol and cloud profiles; land surface topography, temperature and humidity sounding; gravity fields; snow accumulation; ozone and trace gas profiles; and tropospheric winds. This list is illustrative only; proposers should refer to the Decadal Survey and Climate-Centric Architecture for clarification of the exact measurements desired. In addition, the midterm assessment of NASA’s implementation of the decadal survey identifies recommendations to NASA in implementing Decadal Survey priorities. One of those recommendations is to seek "alternative" remote sensing platforms and observing strategies that are emerging and being proven. These include but are not limited to small satellites, such as U-Class, and the flight of multiple sensor(s) in formation rather than on a single bus. These alternative mission concepts can offer considerable mission flexibility. This InVEST program element welcomes the demonstration of alternative measurement concepts that can offer flexibility in implementing future Earth science measurements.

Priority will be given to those proposals that most clearly address technology validation for one or more of these science measurements and their associated missions.

Deadline: Notice of intent due February 2, 2018. Proposal due March 26, 2018.