02 May 2023 USNS Bruce C. Heezen (T-AGS 64) arrives in Monaco for IHO Assembly 2023 MONACO CITY, Monaco – The Pathfinder-class oceanographic survey ship USNS Bruce C. Heezen (T-AGS 64) arrived in Monaco City, Monaco, May 1, 2023, for a scheduled port visit to participate in the International Hydrographic Organization (IHO) Assembly 2023...