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Phase II is focused on the development, demonstration, and delivery of a technology innovation. These awards are made to small businesses (and their research institution partners in STTR) who successfully demonstrated the feasibility of their technology idea during Phase I. Only small businesses that were awarded a Phase I are eligible to apply for Phase II.

The 2023 NASA STTR Phase II solicitation is now available below! NASA STTR Phase I awardees are encouraged to review the solicitation now and submit proposals once the Electronic Handbook (EHB) opens for submissions from July 22 – September 3, 2024.

Learn the basics about Phase II on about SBIR/STTR Phase II

NASA Investment

Up to $850,000

Available to

Small Businesses

SBIR Period of Performance

24 months

STTR Period of Performance

24 months

Note: Phase II solicitations prior to 2022 were included in the Phase I solicitations

Looking for awardees prior to 2021? Search for them on