The Technical Situation Digital Table (TSDT) is the backbone of the OCEAN2020 First Sea Demonstration, since it supports the situation awareness management in particular tracks acquisition, data processing and forwarding. Moreover It acts as Video Streaming System in order to optimize the use of the dedicated satellite channels , to display and distribute videos among all nodes deployed on each FREMM warship, at the IT-MOC in Rome and in Taranto, and at the premises of the EU – MOC prototype installed in Brussels. The Human-Computer Interface is designed following the natural interfaces paradigm and exploits multi-touch technology to provide intuitive, user friendly interaction.