The fleet is leading projects for the evolution and modernization of vessels, underwater systems and scientific equipment, from the first draft to final commissioning. The Fleets brings to the cruises an expertise in the implementation of equipment or experimental functionalities, or for the adaptation of systems to particular needs.

The Fleet also has expertise in the engineering of underwater interventions whether for the installation and maintenance of seabed observatories, the deployment of submarine systems from ships, or the carrying out of operations complex.