DIODON Drone Technology x Tonner Drones

French SME designing fully waterproof, inflatable maritime [aerial drones](/models/diodon-drone-technology-dp3) for defense, security, and search-and-rescue missions. Founded in 2017 in Toulouse, DIODON integrates its UAV systems with naval platforms and C2/CMS architectures, and is developing autonomous UAV-USV interoperability through the French government-funded [VIGILANSEA project](https://www.navalnews.com/naval-news/2026/03/launch-of-the-vigilansea-project-toward-autonomous-maritime-persistence-between-surface-and-aerial-systems/). The company's drones have been tested in NATO exercises including Steadfast Dart, Heimdall, and Task Force X Baltic.