Portugal launches first drone carrier NRP D. João II in Romania for Atlantic monitoring.

The NRP D. João II drone carrier, developed for the Portuguese Navy, was floated out on April 7, 2026, at the Damen Shipyards Group facility in Galați, Romania, marking a key milestone in Europe’s first dedicated drone carrier.

The ceremony, held at the Damen shipyard in Romania with senior Portuguese naval leadership and diplomatic representatives, initiates harbor and sea trials scheduled through 2026 ahead of commissioning in 2027. This multi-role vessel will extend Portugal’s capacity for persistent maritime surveillance, unmanned systems deployment, and maritime domain awareness, reinforcing NATO interoperability and strategic presence across the Atlantic.

Read also: Portugal to receive EU’s first drone carrier NRP D. João II in 2026 for Atlantic surveillance

The NRP D. João II is named after King John II of Portugal, who ruled between 1481 and 1495 and played a central role in the country’s maritime expansion by supporting oceanic exploration, navigation advancements, and the opening of new sea routes. (Picture source: Portuguese Navy)

On April 7, 2026, the Portuguese Navy conducted the float-out of the NRP D. João II at the Damen shipyard in Galați, Romania, marking the completion of the hull construction phase and the start of fitting-out and systems integration of the first drone carrier of the European Union. The ceremony included Vice-Admiral Fernando Jorge Pires, acting on behalf of the Chief of Naval Staff, along with the Portuguese ambassador and the Dutch ambassador accredited in Romania, as well as Romanian naval representatives and shipyard officials. This event places the vessel into the pre-delivery phase, with harbor trials and sea trials scheduled during 2026 ahead of commissioning planned for the first half of 2027.

The NRP D. João II's construction was initiated under a 2024 contract and is financed through the European Union Recovery and Resilience Facility, administered in Portugal through the national recovery plan. The construction timeline, from contract to expected delivery, is about three years and will consolidate multiple mission types into a single hull. The NRP D. João II is named after King John II of Portugal, who ruled from 1481 to 1495 and was associated with the expansion of Portuguese maritime exploration during the late 15th century. His reign included support for expeditions that established sea routes along the African coast and toward Asia, contributing to Portugal’s maritime strategy. He also reinforced control over maritime trade routes and centralized royal authority over overseas expansion.

Without him, Vasco da Gama’s voyage would not have had the necessary logistical and strategic foundation. In the current context, the vessel’s naming positions the NRP D. João II as a modern exploration vessel, where drones and data replace caravels and navigators as primary tools of maritime discovery and influence. The vessel's role in data collection, surveillance, and unmanned operations can, therefore, be interpreted as a continuation of João II's objectives with modern technology. The requirement for the NRP D. João II was defined by the Portuguese Navy to replace single-role ships with a multi-purpose vessel capable of sustained operations across the Atlantic, including within Portugal’s exclusive economic zone.

The concept emphasizes persistence at sea, data collection, and operational flexibility to conduct maritime surveillance, environmental monitoring, oceanographic research, seabed mapping, and support for unmanned systems. The Portuguese drone carrier is designed for unrestricted deployment in tropical and temperate climates, which reflects Portugal’s operational areas extending from the North Atlantic to African maritime zones. The program also incorporates dual-use objectives, linking defense activities with scientific research and maritime economic interests. This approach aligns with national priorities related to ocean governance and resource management. The vessel’s design integrates these requirements into a single operational framework. 

The ship’s mission architecture is based on a modular payload system organized around containerized solutions, allowing mission-specific equipment to be embarked without structural modification. The vessel can carry up to 18 ISO containers, 18 vehicles, and up to 10 rigid-hull inflatable boats, which can be deployed depending on the mission profile. Cargo handling is enabled by roll-on roll-off access and a crane with a lifting capacity in the 30-ton class, allowing independent operations in ports with limited infrastructure. The internal layout includes laboratory spaces for scientific work, medical facilities for onboard care, and mission control centers for coordinating operations and processing data.

This configuration allows the ship to switch between surveillance, research, and support roles within a single deployment cycle. For the Portuguese Navy, this approach supports a wider range of missions without increasing fleet size. The NRP Dom João II has a length of about 107.5 meters, a beam of 20 meters, and a displacement of about 7,000 tons, aligned with the MPV 10720 design developed by Damen. The ship can remain at sea for up to 45 days without resupply at a maximum speed of 15 knots, which indicates a design optimized for long-duration missions in remote maritime areas rather than high-speed operations. The standard crew consists of 48 personnel, with additional accommodation for up to 42 scientists and unmanned systems operators.

The vessel can also embark up to 100 additional military personnel or more than 200 civilians in emergency scenarios such as evacuations or disaster response. This capacity allows the ship to support both operational and humanitarian missions. A central operational feature of the NRP D. João II is its integration of unmanned systems across air, surface, and subsurface domains. The ship includes a flight deck measuring about 94 meters and is equipped with a catapult system for launching fixed-wing unmanned aerial vehicles, in addition to supporting vertical take-off UAVs. It is also compatible with EH-101 helicopters and includes a hangar sized for NH90 helicopters, enabling mixed manned and unmanned aviation operations.

The vessel is also designed to deploy and recover unmanned surface vehicles and unmanned underwater vehicles, extending its operational reach beyond the ship itself. This configuration allows the ship to conduct surveillance, reconnaissance, and data collection over a larger area than traditional onboard sensors. This capability reflects the increasing role of unmanned systems in maritime operations across the globe. The mission profile of the NRP D. João II also combines defense and scientific functions, with primary roles including maritime surveillance, environmental monitoring, oceanographic research, and seabed mapping. The ship is equipped with laboratories and data processing systems capable of handling large volumes of oceanographic and environmental data collected during missions.

It can support scientific teams conducting research on marine ecosystems, seabed resources, and environmental conditions. The vessel is also configured for humanitarian assistance and disaster relief, with facilities for medical support, logistics, transport, and temporary accommodation. Secondary roles include support to maritime security operations and logistical resupply tasks. The ship’s design allows it to operate in coordination with Portuguese institutions such as the Portuguese Hydrographic Institute, national universities, and marine research centers, and industrial partners involved in maritime science, offshore technologies, and ocean-related activities. 

The industrial structure of the program is based on cooperation between the Portuguese Navy and Damen, supported by a network of suppliers involved in ship construction and systems integration. The project is financed through European Union funding under the Recovery and Resilience Facility, linking it to broader economic and technological development objectives. The design combines military-grade systems with commercial off-the-shelf components, reducing costs and simplifying maintenance. This approach also contributes to the relatively short construction timeline, with delivery expected about three years after contract award. The program has contributed to the development of Damen’s multi-purpose support ship range, which now includes vessels between 7,000 and 9,000 tons.

Industrial standardization and modular construction have been key factors in meeting schedule requirements, which are focused on cost efficiency and rapid delivery. It also demonstrates once again the benefits of modular design principles in naval shipbuilding, refined since the SEAMOD program conducted between 1972 and 1978. The program timeline indicates a rapid progression from contract signature in 2024 to launch on April 7, 2026, with sea trials scheduled later in 2026. Systems integration during this phase will include propulsion, mission modules, and unmanned systems interfaces.

Delivery and commissioning are planned for the first half of 2027, after which the vessel will be incorporated into the Portuguese Navy’s operational fleet. The ship is expected to operate alongside existing Damen-built frigates, including NRP Bartolomeu Dias and NRP D. Francisco de Almeida. This integration will allow the vessel to contribute to fleet operations while maintaining its specialized multi-role functions. The compressed timeline reflects both industrial planning and operational urgency. It also indicates the maturity of industrial modular construction methods since their introduction by Henry J. Kaiser’s shipyards during World War II.

Written by Jérôme Brahy

Jérôme Brahy is a defense analyst and documentalist at Army Recognition. He specializes in naval modernization, aviation, drones, armored vehicles, and artillery, with a focus on strategic developments in the United States, China, Ukraine, Russia, Türkiye, and Belgium. His analyses go beyond the facts, providing context, identifying key actors, and explaining why defense news matters on a global scale.