NASA Early Stage Innovations ESI
80HQTR21NOA01-21ESI-B2
Grants.gov  https://www.grants.gov/web/grants/view-opportunity.html?oppId=333140

NOI Due:  May 26, 2021 at 5:00pm ET 
Proposal Due:  June 28, 2021 at 5:00pm ET

The National Aeronautics and Space Administration (NASA) Headquarters has released a solicitation, titled Early Stage Innovations (ESI), as an appendix to the Space Technology Mission Directorate (STMD) umbrella NASA Research Announcement (NRA) titled "Space Technology Research, Development, Demonstration, and Infusion 2021 (SpaceTech-REDDI-2021), on April 28, 2021. The solicitation is available by opening the NSPIRES homepage at http://nspires.nasaprs.com/ by selecting "Solicitations," then selecting "Open Solicitations," and, finally, selecting "Early Stage Innovations (ESI)."

The solicitation exclusively seeks proposals that are responsive to one of the five topics:
Topic 1 – Advanced Materials for High-Voltage Power Transmission on the Moon
Topic 2 – Development of Quantum Communication Technologies
Topic 3 – Cognitive Networking Advancements for Lunar Communication and Navigation
Topic 4 – Supersonic Retropropulsion Wind Tunnel Data Analysis
Topic 5 – Advanced Heat Rejection Technologies for Space-Flight Radiators
NASA anticipates addressing other topics in future ESI Appendix releases.