The FREMM 4.0 project in Cartagena was conceived to meet the demand for vocational training through sustainable architecture that optimizes teaching flows and operational efficiency. Aesthetically, the building maintains a neutral palette of concrete and steel, broken only by a blue cornice line that culminates in an illuminated logo, acting as a visual landmark within the industrial park. The entire design aligns with LEED certification, pursuing a holistic vision that integrates energy savings, recycling, and maximum user comfort.