Athena-Fidus (Access on theatres for European allied forces nations-French Italian dual use satellite) is a French-Italian telecommunication satellite providing high-throughput secure communications to both nation's armed forces and their emergency services.

[1] The satellite bus is a Spacebus 4000B2, manufactured in Cannes Mandelieu Space Center.

Comcept will provide a network of fixed and deployable ground stations using full-IP (Internet Protocol) technology.

The system includes high-data-rate (HDR) ground stations which are installed in a transportable shelter and provide a speed of approximately 10 Mbit/s.

[8] On 7 September 2018, during a visit to the Toulouse Space Centre, the Ministry of the Armed Forces, Florence Parly, accused Russia of having committed "an act of espionage" in 2017 against the satellite to try to intercept secure communications.