Overview
- Hermeus disclosed Tuesday that it closed a $350 million Series C led by Khosla Ventures, with $200 million in equity and $150 million in debt, valuing the company at $1 billion.
- The startup is opening executive offices and a prototyping hub at 888 North Douglas Street in El Segundo while keeping its 110,000‑square‑foot Atlanta site focused on production.
- Hermeus says its next test aircraft aim to top Mach 2 later this year and target Mach 3 in 2027, following prior Quarterhorse flights at Edwards Air Force Base in 2025 and over White Sands in February.
- The company is using a modified Pratt & Whitney F100 engine from RTX to speed testing with a proven powerplant and to align its work with Defense Department needs.
- Executives expect the Southern California team to grow past 200 next year as the El Segundo base places Hermeus in a resurgent South Bay aerospace cluster of startups and legacy contractors.