Nigrán, Spain | November 12 2026 – UARX Space has achieved a major milestone for Spain’s space industry with the deployment of OSSIE-D, an Orbital Transfer Vehicle (OTV) designed and manufactured entirely in Spain, with 75% of its components developed in-house by the company. Launched aboard a SpaceX Falcon 9 rocket, OSSIE-D was deployed using SAU&RON 24, UARX Space’s proprietary separation system. The achievement marks a world first, bringing together an orbital transfer vehicle and a separation system developed by the same company in a single mission.
The mission represents a significant advance in Spain’s space technology capabilities, demonstrating the ability to develop and integrate key technologies for in-space transportation and orbital operations. By combining its OTV with its own SAU&RON 24 separation system, UARX Space reinforces its integrated approach to spacecraft development, spanning the vehicle itself and the technology required for its deployment into orbit.
OSSIE-D also highlights the importance of collaboration between specialized companies across the European space industry. For this mission, DHV Technology designed, qualified and manufactured the vehicle’s complete electrical power subsystem, including the solar arrays, Power Conditioning and Distribution Unit (PCDU), main battery modules, SADA (Solar Array Drive Assembly) and additional supporting subsystems required to meet the mission’s power requirements.
“OSSIE-D represents a milestone for the Spanish aerospace industry and shows how collaboration between companies with complementary capabilities can turn ambitious missions into reality. DHV Technology has been a key partner, with its expertise, highly reliable solutions and team commitment making a significant contribution to the mission’s energy capabilities. This partnership also highlights the potential of the Spanish space sector to innovate and compete at both European and global level,” said Dr. Andrés Villa, CTO and Co-Founder of UARX Space.
Following launch, DHV Technology’s electrical power subsystem is operating nominally in orbit, starting from the generation of the power with the solar arrays, control and distribution with the PCDU and storage with the battery, including initial telemetry which confirms that the system is performing as expected. This represents an important milestone for DHV Technology’s engineering team and for the OSSIE-D mission as a whole.
“Seeing the full electrical power subsystem fully developed by DHV for OSSIE-D operating as expected in orbit is an important milestone for our team and for our collaboration with UARX Space,” said Dr. Vicente Díaz, Managing Director and Co-Founder of DHV Technology. “This achievement reflects the close cooperation between both engineering teams and the work invested throughout the design, manufacturing, testing and integration phases. We are proud to contribute to this mission and look forward to OSSIE-D continuing to deliver positive results for UARX Space and all the partners involved.”
Beyond supplying the electrical power subsystem, DHV Technology is using OSSIE-D as a platform to test innovative technological concepts in orbit. The results obtained during the mission will help increase the technological maturity of several of the company’s solutions, extending the value of the mission beyond its immediate operational objectives. These developments include novel electrical interconnection methods, improved solar panel deployment and hinge mechanisms, as well as advanced photovoltaic technologies.
The collaboration between UARX Space and DHV Technology underscores the importance of combining specialized engineering capabilities to deliver increasingly advanced space missions. While UARX Space leads the development of the OTV and its deployment architecture, DHV Technology’s electrical power subsystem provides a critical element for the vehicle’s operation while enabling the evaluation of new technologies under real space operating conditions.
OSSIE-D therefore represents progress on two fronts: it strengthens UARX Space’s capabilities and position in the in-space transportation sector, while providing an opportunity to validate technologies that could support future missions. The combination of an OTV developed in Spain, a proprietary separation system and a complete electrical power subsystem supplied by DHV Technology demonstrates the potential of Spain’s space industry to deliver increasingly complex technological projects.
About UARX Space
About DHV Technology