Haiti Air Freight - ICAO designator (FAAC)
Hall's Inc., Dorchester, WI - Manufacturer code for watercraft hull identification number (USCG)
Halt Line State (SAUS)
Harmonic Light Scattering - Physics
Harvard Law School - Massachusetts
Harvard University, Cambridge, MA - OCLC symbol (OCLC)
Health Learning Systems
Heavy Lift Ship - Army ship designation (DOMA)
Heavy Lift System (SAUS)
Heavy-Lift System
Heavy Liquid Separation (SAUS)
Heavy Logistics System
Heavy Logistic Support (SAUS)
Helicopter Landing Site - Military
Helicopter Landing System
Higher Level Scheme - Agri-environment funding (BAJR)
High Level Scheduler (NITA)
High-Level Service - Computer science
Hills (MCD)
Hinge Moment Load Simulator (SAUS)
Hippel-Lindau Syndrome - Medicine (DMAA)
Hoc Loco Situs - Laid in This Place - Latin
Holes (ADA)
Holograph Letter Signed
Horizontal Liquid Spring
Hue, Lightness and Saturation (GIS)
Hue, Luminance, and Saturation - Computer science (DCDG)
Hue, Luminance, Saturation (SAUS)
Human Language System (TLAA)
Human Life Sciences
Huntingdon Life Sciences - British
Hurricane Local Statement (SAUO)
Hurricane Statement - Telecommunications (OTD)
Hurst Lodge School (SAUO)
Hyperbaric Lighting Set - NASA (SPST)
St. Helens - Tasmania - Airport symbol (AD)
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