Tesseract

Tesseract shows limited credibility at seed stage: YC 2017 acceptance is meaningful but 7+ years of elapsed time without visible founder names, government contracts, or disclosed funding raises red flags about execution or pivot. Thruster technology is a crowded space (Axiom, Impulse Dynamics, Benchmark, etc.) with unclear differentiation; while satellite propulsion aligns loosely with DoD modernization interests, there's no evidence of active government procurement pull or named customer traction.