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Hermeus Flies Again With New Quarterhorse Unmanned Aircraft

By Cal Biesecker

Monday, March 2nd, 2026

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Hermeus Flies Again With New Quarterhorse Unmanned Aircraft

Hermeus' Mk 2.1 Quarterhorse remotely piloted aircraft being towed for its first flight. Photo: Hermeus

Startup Hermeus on Monday said it successfully flew the latest version Quarterhorse unmanned aircraft, kicking off a test campaign aimed at reaching supersonic speeds. The Mk 2.1 remotely piloted aircraft flew nine months after the Atlanta-based company’s first aircraft, Mk 1, flew in May 2025 (Defense Daily, May 27). The Mk 2.1 is the about the size of an F-16 fighter, and nearly three times larger and four times heavier than the Mk 1. The Mk 2.1 is powered by…

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