Mobius

Mobius report 83/2025 –  “Angry Doctor” and “Happy Doctor” Initiation Systems for Weaponized UAV Payloads, Ukraine

November 1, 20251 min readTerrogence Intelligence Team

In recent months, Russian forces have increasingly showcased documentation of their neutralization of weaponized UAVs carrying explosive payloads fitted with a new family of improvised initiation systems. These systems – referred to as “Angry Doctor” and “Happy Doctor” – appear to originate from the same Ukrainian manufacturer. Both types use an inertial or impact-based initiation principle, activating an electric match head via an electromechanical design.

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