Anil Ambani-led Reliance Defence Ltd (RDL) has signed an MoU with Abu Dhabi Ship Building to set up a strategic partnership for construction of naval ships, including frigates and destroyers. (ADSB) is a leading UAE-based shipyard with over 30 years of experience in naval and commercial vessel construction, repair, maintenance, refit and conversion. engages in the building, refitting, and conversion of naval and commercial vessels.