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AFOSR Small Business Technology Transfer (STTR)

AFOSR STTR Phase II

Supports small business teams extending validated concepts toward robust defense development.

Between cyclesAir Force Office of Scientific ResearchUnited States

The Air Force Office of Scientific Research (AFOSR) STTR Phase II program provides up to $750,000 over 24 months to small business and research institution teams that have successfully completed a Phase I STTR and demonstrated sufficient technical merit to advance into expanded research and development. AFOSR is the only Air Force component operating an STTR program — it has no SBIR — and administ…

Continuation of Phase I STTR research topics demonstrating technical merit and Air Force relevance.

CycleiHow often this grant runs — e.g. annually, on a rolling basis, or a one-off call.Annual
Next deadlineiThe next date applications are due. Rolling means you can apply any time.—
Decision timeiTypical time from the deadline to the funder's decision.—
Project durationiHow long the funded work is expected to run.24 months
Award typeiThe form of funding — grant, equity, loan, tax credit, etc.Other Transaction (OT)
Match fundingiThe share of project costs you must cover yourself. 0% = fully funded.0%
Funding pooliThe total budget available across all awards in this round.—

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Last verified: 22 Jul 2026Source: www.afrl.af.mil