What does oss stand for?

Office of Space Science - NASA (NAKS)

Opera Semiseria - Music (GROV)

Orbiting Space Station - NASA (NAKS)

Ossetic - MARC language code - Library of Congress (LCCP)

Los Angeles, CA - Location identifier - FAA (FAAL)

Objective Supply System - Army

Object Services Standard (AAEL)

Object Sorting Scales - Psychology

Observatory of the Sahara and the Sahel (SAUS)

Observing Simulation System (USDC)

Observing Stimulation System - Marine science

Occupant Sensing System - Automotive safety systems

Occupational Superannuation Standard

Oceanic Scanning Spectrophotometer

Oceanic Space Subcommittee - Congressional committee (MSC)

Ocean Science and Surveys (SAUS)

Ocean Surveillance Satellite (MCD)

Ocean Surveillance System - Navy (SAA)

Ocean Survey Ship (NOAA)

OEX - Orbiter Experiments Support System - NASA

Office of Safeguards and Security - Department of Energy - Washington, DC (GRD)

Office of Secret Services (SAUS)

Office of Senate Security - Congress

Office of Space Science - NASA

Office of Space Station (ACAE)

Office of Space Systems - Air Force

Office of Statistical Standards - Bureau of the Budget; later, OMB

Office of Strategic Services - Firearms use code - Firearms collecting (FAUC)

Office of Strategic Services - Facetiously translated as "Oh So Social" because some of its staff were socially prominent - World War II

Office of Strategic Studies (HRYB)

Office of Support Services - Army

Office of Systems Operations - National Weather Service (USDC)

Office of the Space Station (SAUS)

Office Skills Series - Test (TMMY)

Office Support System (SAUS)

Offshore Surveillance System

Oh So Social

Old Submarine - Navy symbol

One Stop Shop - Small business advice - British

Online Service System (SAUS)

Online Support System von SAP (SAUS)

Ontario Secondary School Teachers' Federation - UTLAS symbol

Open Sound System (SAUS)

Open Source Software (SAUS)

Open Source Solution (SAUS)

Open-Source Spectrometer (SAUS)

Operating Supply Specification (SAUS)

Operating System Software - Personal computers

Operating System Supervisor

Operating System Support (NITA)

Operational Storage Site - Army

Operational Support Services, Inc. - Commercial firm

Operational Support Squadron (SAUS)

Operational Support System - Computer science

Operation Safe Streets (SAUS)

Operations Support Services (SAUS)

Operations Support Squadron (SAUS)

Operations Support System (DOMA)

Operations Support Systems - Telecommunications (ACOL)

Operator Service Switch (SAUS)

Operator Service System (SAUS)

Operator Support System (SAUS)

Opposes - Telegraphy (PCTE)

Optical Sensor Subsystem - Military (CAAL)

Optical Sight System

Optical Subsystem (KSC)

Optical Surveillance System (AAG)

Optics Subsystems (SAUS)

Optimized Systems Software - San Jose, CA

Orbital Space Station Study - NASA (IAA)

Orbital Stabilization System (MCD)

Orbiting Space Station - NASA

Order Short Shipped (SAUS)

Ordnance Safety Switch - Military (IAA)

Organised Science Series - A publication

Organization for Cooperation of Socialist Countries in the Domain of Posts and Telecommunications - Defunct (EAIO)

Orient Shipping Services (SAUS)

Osisko Lake Mines Ltd. - Toronto Stock Exchange symbol

Ososo - Language code (ETLW)

Ossetian/Ossetic - GeoNet three-character language code (GEON)

Ossory - Ireland (ROG)

Outer Solar System

Output Shaft Speed - Automotive engineering

Overhead Speaker System - Automotive engineering

Overseas Shipping Services (SAUS)

Overseas Switch - Military

Over-the-Shoulder Shot - Photography (WDMC)

Over-the-Shoulder Strap (DMAA)

Own Ship's Speed - Navy

Oxygen Sleep Starvation

Religious of the Order of the Blessed Sacrament and Our Lady - Sacramentine Nuns - Roman Catholic religious order

Sacramentine Nuns (TOCD)

Sahara and Sahel Observatory (SAUS)

Shawnee State Community College, Portsmouth, OH - OCLC symbol (OCLC)