Prof. Robert Beckman, Head of the Centre for International Law’s Ocean Law and Policy and Dr. Vu Hai Dang, Ocean Law and Policy Senior Research Fellow, were guest lecturers at the 10^th Regional MarSec Practitioner Programme, International Fusion Centre, Changi Naval Base, Singapore. The Programme, co-organised by the Republic of Singapore Navy and S. Rajaratnam School of International Studies, introduced various aspects of maritime security for maritime practitioners. The course’s participants are navies, coastguards, and other maritime practitioners from around the world. Prof. Beckman delivered a lecture about the international law of the sea while Dr. Dang presented about Vietnam’s measures against IUU Fishing.