DGV – the Future of Subsea Asset Protection. Innovative Solutions for Enhanced Safety and Sustainability. During subsea construction, a guard vessel is crucial to ensure that no unauthorized vessels, especially fishing vessels, approach the construction area and potentially cause damage to the site or themselves. Traditionally, this role has been fulfilled by old fishing vessels, which often have poor fuel efficiency, leading to a significant carbon footprint of up to 2 TeCO2 per day. These vessels also pose various HSE (Health, Safety, and Environmental) concerns due to the need for offshore personnel.