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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.**

This EVS-3 program element solicits proposals for suborbital science investigations that propose innovative and integrated approaches to address pressing Earth system science issues. For the purpose of this solicitation, a suborbital investigation is one that relies primarily – although not necessarily exclusively – on acquisition of new measurements from airborne and/or balloon-borne platforms. Investigations which rely primarily on measurements obtained from surface-based instruments, sounding rockets, the International Space Station, or CubeSats will not be considered responsive. Investigations may propose acquisition of remote sensing and/or in situ observations from suborbital platform(s) and may also utilize additional measurements from surface and/or subsurface observing systems as well as from existing satellite missions.

Deadline: NOI due January 31, 2018; Proposal Due April 12, 2018