What does ORA stand for?

Montauk Caribbean Airways, Inc. - ICAO designator (FAAC)

Occultation Radiometer (SAUS)

Office of Records Administration - National Archives (BARN)

Office of Redress Administration - Department of Justice

Office of Regulatory Affairs - U.S. Food and Drug Administration

Office of Regulatory Analysis - Federal Energy Regulatory Commission

Office of Research Administration - University of Hawaii - Research center (RCD)

Office of Research Administration - University of Pennsylvania - Research center (RCD)

Office of Research Administration - North Carolina A & T State University - Research center (RCD)

Office of Research Administration - St. Louis University - Research center (RCD)

Office of Research Analysis - Air Force

Office of Research and Applications (SAUS)

Office of Rural Affairs - Victoria, Australia

Official Records of the Admiralty (SAUS)

Oil Refiners Association (NADA)

Operating Room Attendant - British military (DMA)

Operational RADAR Directed Flights (NATG)

Operational Readiness Assessment

Operational Requirements Analysis (SPST)

Operation Response Area (MCD)

Operations Research Analyst - Army (AABC)

Operations Research Appreciation (SAUS)

Opiate Receptor Agonist - Medicine (MELL)

Opportunities for Rural Areas (EURO)

Opportunity Resources for the Arts (EA)

Optical Reference Axis

Option Revision Agreement (VLIE)

Oran - Argentina - Airport symbol (AD)

Orava - NCIC firearms make code (NCIC)

Order for Reinforced Alert (NATG)

Organisation de Resistance de l'Armee - France

Organisation Revolutionnaire Anarchiste - Revolutionary Anarchist Organization - France - Political party (PPE)

Organizacao Revolucionaria Armada - Terrorist group - Portugal (EY)

Organizational Role Analysis (PDAA)

Orifice Rod Assembly - Nuclear energy (NRCH)

Ormet Railroad - Federal Railroad Administration identification code

Oroha - Language code (ETLW)

Oromo Relief Association - Ethiopia

Oronite Refinery Additive - Fuels and lubricants

Orthopaedic Rehabilitation Association (SAUS)

OR to Accumulator (SAUS)

Output Reference Axis (IAA)

Output Register Address

Ramore Library, Ontario - Library symbol - National Library of Canada (BIB)

Ross Laboratory Library, Columbus, OH - OCLC symbol (OCLC)