Floating offshore wind is moving from demonstration to deployment, creating new demands for naval architecture, marine operations and port infrastructure. This review examines construction, towing and installation challenges, alongside stability, certification and maintenance considerations. The insights highlight practical strategies to reduce project risk, costs and lifecycle uncertainty at scale globally.

Condition-based maintenance depends on reliable sensor data, yet maritime monitoring systems often suffer missing values. This work combines machine-learning-based imputation, assessment frameworks, and real-time implementation tools to improve data quality. Case-study results demonstrate practical support for Internet of Ships, predictive maintenance, operational reliability, and smarter asset management at scale globally.

Holographic navigation aids may soon enhance maritime safety in poor visibility. By integrating real-time bridge data, harmonising disparate communication protocols, and generating holographic representations of vessels and charted hazards, the technology improves situational awareness. The work demonstrates how advanced data fusion could support safer decision-making and collision avoidance at sea.

Alternative fuels are forcing a rethink of superyacht design. Assessing zero-lifecycle-emission fuel options, the analysis examines impacts on vessel architecture, operational capability, regulatory compliance, and class requirements. The findings reveal significant design trade-offs, competing constraints, and multiple viable pathways, highlighting the complexity of achieving sustainable luxury yachting ahead globally today.

Quantum technologies are poised to transform naval capability across communications, navigation, sensing, and targeting. Offering unprecedented precision, resilience, and decision-making advantages, these emerging systems could enhance combat effectiveness while reducing operational vulnerabilities. The technology’s potential spans entire fleets, presenting strategic opportunities and new design considerations for future warships worldwide tomorrow.

Digital twin creation for existing industrial assets is advancing through automated scanning and object recognition technologies. Integrated with established engineering platforms, the approach transforms physical facilities into usable digital models, improving visualization, assessment, and lifecycle management. Practical deployments demonstrate scalable implementation while highlighting future opportunities for smarter manufacturing and operations.

Industry 4.0 is redefining shipbuilding through integrated digital ecosystems that connect CAD, simulation, digital twins, artificial intelligence, extended reality, IoT, secure data sharing, and additive manufacturing. By linking design, production, operation, and decommissioning, the approach promises end-to-end lifecycle optimisation, greater collaboration, improved traceability, and smarter shipyard transformation worldwide today ahead.

Friction stir welding is advancing toward steel ship construction and repair, overcoming long-standing tool durability challenges at temperatures above 900°C. Proven in aluminium safety-critical structures and capable of underwater operation, the technology promises stronger, lower-distortion welds, improved fatigue performance, and new opportunities for efficient marine manufacturing and maintenance worldwide today.

Integrated experimental and CFD investigations are strengthening submarine hydrodynamic design. Examining hull-form parameters, surface resistance, towing methods, pressure distributions and wave formation, researchers compared model tests with numerical predictions and found strong correlation. The work improves confidence in powering assessments, performance evaluation, and efficient submarine development decisions going forward globally.