Sea Abbreviations and Acronyms
- HSLSHigh Speed Launches
- HSSEQHealth, Safety, Security, Environment and Quality
- HSSEQHealth, Safety, Security, Environment, and Quality
- HSSGHelicopter Safety Steering Group
- HSSWHigh-Salinity Shelf Water
- HSSWHigh Salinity Shelf Water
- HUBHebrew University Bible
- HVBSSHelicopter Visit, Board, Search and Seizure
- HWNHigh Water Neaps
- IACInter-American Convention
- IAFInternational Arrivals Facility
- IBInverse Barometer
- IBInverted Barometer
- IBPDMSImproved Basic Point Defense Missile System
- IBTSInternational Bottom Trawl Survey
- ICInterior Connected
- IFCASInshore Fishezies and Conservation Authorities
- IFCASInshore Fisheries Conservation Authorities
- IFEInstitute for Exploration
- IICWGInternational Ice Chart Womking Group
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