Frankenburg Mark 1

A guided missile the size of a baguette — the Frankenburg Mark 1 is Estonia's bid to solve the drone war's economics with a rocket instead of a drone. Where Ukraine's Sting and Octopus fly quadcopters into Shaheds, Frankenburg's answer is a ~60-centimeter, ~$50,000 solid-fuel interceptor closing at over 1,000 km/h with an AI fire-and-forget seeker and a proximity-fuzed warhead. Built by a startup barely two years old — led by Estonia's former defense-ministry chief — it is the missile-class member of Europe's interceptor-startup wave: cheaper than any legacy SAM, faster than any interceptor drone, and, so far, tested on ranges rather than proven in combat.

Overview

The Frankenburg Mark 1 is a miniature guided interceptor missile from Frankenburg Technologies of Tallinn, Estonia — a counter-drone weapon that occupies a different physics from the FPV interceptors that dominate this stretch of the lexicon. Where the Sting, Octopus and General Cherry's drones are piloted or autonomous quadcopters that fly into their targets, the Mark 1 is a solid-fuel rocket — about 60–65 cm long, reportedly under 2 kg, closing at over 1,000 km/h with an AI-driven, fire-and-forget electro-optical seeker and a proximity-fuzed fragmentation warhead. Its design goal is the interceptor economy's central problem stated as a missile: make each kill dramatically cheaper than a legacy surface-to-air round. At a claimed ~$50,000 — built entirely from commercial components, with glass rather than metal fragmentation to cut cost — it is pitched at roughly a tenth the price of a Stinger-class shot, inserting a cheap missile tier between guns and the exquisite SAMs. Led by CEO Kusti Salm (former permanent secretary of Estonia's defense ministry) with an ex-Diehl Defence engineering chief, and funded by a €30 million Series A (with a €100 million Series B in the works), Frankenburg has moved with startup speed — a first hard-kill intercept in December 2025, an Airbus air-launched demo in March 2026, a Riga factory in June — into the front rank of Europe's affordable-interceptor push. The honest caveats: every performance and cost figure is company-originated, its production numbers are targets not output, and — critically — the Mark 1 has no confirmed combat use, with its Ukraine live-fire repeatedly slipping.

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