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Astronautics
Space transport engineering, spaceflight engineering, astronautics, astronautical engineering, cosmonautics, rocketry, spacecraft, rockets and missiles.
- Code
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Meaning
Language
Themes and places
- NLO
-
Neidentificēts lidojošs objekts
= OVNI | Objet Volant Non Identifié | In French
= OVNI | Objecte Volador No Identificat | In Catalan
= НЛО | Неидентифициран летящ обект | In Bulgarian
= OVNI | Objeto Volador No Identificado | In Spanish
= UFO | Unidentifiziertes Flugobjekt | In German
= UFO | Unidentified Flying Object | In English
= UFO | Unknown Flying Object | In English
= UFO | Uidentificeret flyvende objekt | In Danish
= NIFO | Neidentigita Fluganta Objekto | In Esperanto
= UFO | Unbekend fleanend objekt | In Frisian
= עב"מ | עצם בלתי מזוהה | In Hebrew
= OVNI | Oggetto Volante Non Identificato | In Italian
= UFO | Uidentifisert flygende objekt | In Norwegian
= UFO | Uidentifisert flygande objekt | In Nynorsk
= NOL | Niezidentyfikowany Obiekt Latający | In Polish
= OVNI | Objeto Voador Não Identificado | In Portuguese
= OZN | Obiect Zburător Neidentificat | In Romanian
= НЛО | Неопознанный летающий объект | In Russian
= NLO | Neidentifikovani leteći objekat | In Serbo-Croatian - NLO
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Neidentifikovani leteći objekat
= OVNI, НЛО, UFO, NIFO, עב"מ, NOL, OZN (see above)
- NLOS
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Non-Line-Of-Sight
- NLR
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Nationaal Lucht- en Ruimtevaartlaboratorium
- NMD
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National Missile Defence
The abbreviation NMD (National Missile Defence) includes the abbreviation MD (Missile Defence).
- NMI
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NASA Management Instruction
- NMV
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Nitrogen Manual Valve
The abbreviation NMV (Nitrogen Manual Valve) includes the abbreviation MV (Manual Valve).
- NOES
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National Operational Environmental Satellite
- NOL
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Niezidentyfikowany Obiekt Latający
= NLO, OVNI, НЛО, UFO, NIFO, עב"מ, OZN (see above)
- NOPAR
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Nonorbiter Parts Authorization Request
- NORAD
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North American Aerospace Defense Command
- NOSS
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National Oceanic Satellite System
- NPC
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NASA Procurement Circular
- NPC
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NASA Publication Control
- NPD
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NASA Policy Directive
- NPF
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Navstar Processing Facility
- NPN
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NASA Part Number
- NPRV
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Nitrogen Pressure Relief Valve
- NPS
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NASA Planning Studies
- NPS
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Nonpropulsive Stage
- NPSS
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NASA Packet Switching System
- NPV
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Nitrogen Pressure Valve
- NRA&A
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Nouvelle Revue d'Aéronautique et d'Astronautique
- NRALT
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NASA Radar Altimeter
The abbreviation NRALT (NASA Radar Altimeter) includes the abbreviation RALT (Radar Altimeter).
- NRD
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National Range Division
- NRDS
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Nuclear Rocket Development Station
- NS
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Nuclear Shuttle
- NSC
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NASA Standard Computer
- NSD
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NASA Standard Detonator
- NSI
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NASA Science Internet
- NSI
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NASA Standard Initiator
- NSIF
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Near-Space Instrumentation Facility
- NSLD
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NASA Shuttle Logistics Depot
- NSO
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NASA Support Operation
- NSP
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NASA Support Plan
- NSTI
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NASA Simulation Traffic Interface
- NSTL
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National Space Technology Laboratories
- NSTS
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National Space Transportation System
- NTD
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NASA Test Director
- NTE
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Navigation Telemetry Encoder
- NTS
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Navigation Technology Satellite
- NTSO
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NASA Test Support Office
- NUAAJ
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Nanjing University Aeronautics and Astronautics Journal
- NV
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NASA Altimeter Verification
- NVAFB
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North Vandenberg Air Force Base
The abbreviation NVAFB (North Vandenberg Air Force Base) includes abbreviations VAFB (Vandenberg Air Force Base), AF (Air Force) and AFB (Air Force Base).
- NVR
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NASA Waiver
- NuSTAR
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Nuclear Spectroscopic Telescope Array
- OAA
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Orbiter Access Arm
- OAA
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Orbiter Alternate Airfield
- OAC
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Orbital Activation and Checkout
- OAFD
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Orbiter Aft Flight Deck
- OAFTO
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Orbiter Atmospheric Flight Test Office
The abbreviation OAFTO (Orbiter Atmospheric Flight Test Office) includes the abbreviation FT (Flight Test).
- OAME
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Orbital Attitude and Maneuvering Electronics
- OAMS
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Orbital Attitude and Maneuvering System
- OAO
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Orbital Astronomical Observatory
- OARE
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Orbital Acceleration Research Experiment
- OARS
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Orbiter Avionics Radiation Specification
- OAS
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Orbiter Aeroflight Simulator
- OAS
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Orbiter Atmospheric Simulator
- OAS
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Orbiter Avionics Simulator
- OAS
-
Orbiter Avionics System
- OASCB
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Orbiter Avionics Software Control Board
The abbreviation OASCB (Orbiter Avionics Software Control Board) includes the abbreviation CB (Control Board).
- OASM
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Office of Aerospace Medicine
- OAST
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Office of Aeronautics and Space Technology
- OATS
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Orbiter Avionics Tracking System
- OBC
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On-Board Checkout
The abbreviation OBC (On-Board Checkout) is included in the abbreviation OBCS (On-Board Checkout Subsystem).
- OBCS
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On-Board Checkout Subsystem
The abbreviation OBCS (On-Board Checkout Subsystem) includes the abbreviation OBC (On-Board Checkout).
- OBDU
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On-Board Diagnostic Unit
- OBV
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Oxidizer Bleed Valve
- OCA
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Orbiter Capability Analysis
- OCA
-
Orbiter Capability Assessment
- OCAC
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Orbiter Cabin Air Cleaner
- OCCP
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Orbit Command Computer Program
The abbreviation OCCP (Orbit Command Computer Program) includes the abbreviation CP (Computer Program).
- OCDR
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Orbiter Critical Design Review
The abbreviation OCDR (Orbiter Critical Design Review) includes abbreviations CDR (Critical Design Review) and DR (Design Review).
- OCF
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On-Board Computational Facility
- OCF
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Orbiter Computational Facilities
- OCH
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Orbiter Common Hardware
- OCS
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On-Board Checkout System
- OCTW
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Optical Communications Through the shuttle Window
- ODF
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Orbit Determination Facility
- ODIN
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Orbital Design Integration System
- ODM
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Orbiter Disconnect Mechanism
- ODRC
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Orbiter Data Reduction Center
- OEAS
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Orbital Emergency Arresting System
- OECS
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Orbital Express Capture System
- OES
-
Orbiter Emergency Site
- OET
-
Orbiter Engineering and Test
- OEX
-
Orbiter Experiment
- OF
-
Orbital Flight
- OFDS
-
Orbiter Flight Dynamic Simulator
- OFI
-
Operational Flight Instrumentation
- OFK
-
Optical Flight Kit
- OFP
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Operational Flight Profile
- OFP
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Operational Flight Program
- OFP
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Orbiter Flight Program
- OFS
-
Orbiter Flight System
The abbreviation OFS (Orbiter Flight System) includes the abbreviation FS (Flight System).
- OFS
-
Orbiter Flight Simulator
- OFS
-
Orbiter Functional Simulator
- OFS
-
Orbital Flight System
The abbreviation OFS (Orbital Flight System) includes the abbreviation FS (Flight System).
- OFT
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Operational Flight Test
The abbreviation OFT (Operational Flight Test) includes the abbreviation FT (Flight Test).
- OFT
-
Orbital Flight Test
The abbreviation OFT (Orbital Flight Test) is included in the abbreviation OFTDS (Orbital Flight Test Data System), and it includes the abbreviation FT (Flight Test).
- OFT
-
Orbital Flight Training
- OFTDS
-
Orbital Flight Test Data System
The abbreviation OFTDS (Orbital Flight Test Data System) includes abbreviations FT (Flight Test) and OFT (Orbital Flight Test).
- OGA
-
Outer Gimbal Angle
- OGA
-
Outer Gimbal Axis
- OGMT
-
Orbiter Greenwich Mean Time
The abbreviation OGMT (Orbiter Greenwich Mean Time) includes the abbreviation GMT (Greenwich Mean Time).
- OGTM
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One-G Trainer and Mockup
- OGV
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Oxygen Gauge Valve
- OHA
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Orbital Height Adjustment Maneuver
- OHGVT
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Orbital Horizontal Ground Vibration Test
- OI
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Orbiter Insertion
- OI
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Orbiter Instrumentation
- OIA
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Orbiter Interface Adapter
- OIC
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Orbital Integrated Checkout
- OIE
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Orbiter Integration Engineering
- OIS
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Orbit Injection Subsystem
- OIS
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Orbit Inserting System
- OIS
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Orbit Insertion Subsystem
- OIS
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Orbiter Instrumentation Systems
- OIT
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Orbiter Integrated Test
- OIT
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Orbiter Integration Test
- OIT
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Orbiter Interface Test
- OIV
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Oxidizer Isolation Valve
- OIVS
-
Orbiter Interface Verification Set
- OLERD
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Orbiter Landing Emergency Rescue Data
- OLF
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Orbiter Lifting Frame
- OLIF
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Orbiter Landing Instrumentation Facility
- OLOW
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Orbiter Lift-Off Weight
- OLSP
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Orbiter Logistics Support Plan
- OMA
-
Orbiter Maintenance Area
- OMBUU
-
Orbiter Midbody Umbilical Unit
- OMCF
-
Orbiter Maintenance and Checkout Facility
- OMDP
-
Orbiter Maintenance Down Period
- OME
-
Orbital Maneuvering Engine
- OME
-
Orbiter Main Engine
- OMET
-
Orbiter Mission Elapsed Time
The abbreviation OMET (Orbiter Mission Elapsed Time) includes abbreviations MET (Mission Elapsed Time) and ET (Elapsed Time).
- OMEWG
-
Orbiter Maintenance Engineering Working Group
- OMK
-
Orbiter Mission Kit
- OML
-
Orbiter Mold Line
- OMMH
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Orbiter Maintenance Man-Hour
- OMPT
-
Observed Mass Point Trajectory
- OMR
-
Orbiter Management Review
The abbreviation OMR (Orbiter Management Review) includes the abbreviation MR (Management Review).
- OMRF
-
Orbiter Maintenance and Refurbishment Facility
- OMRF
-
Orbiter Modification and Refurbishment Facility
- OMS
-
Orbital Maneuvering System
- OMV
-
Orbital Maneuvering Vehicle
- OMV
-
Oxygen Manual Valve
The abbreviation OMV (Oxygen Manual Valve) includes the abbreviation MV (Manual Valve).
- ONBT
-
Orbiter Neutral Buoyancy Trainer
- ONERA
-
Office National d'Études et de Recherches Aérospatiales (www.onera.fr)
- OOD
-
Orbiter On Dock
- OOH
-
Orbital Operations Handbook
- OOR
-
On-Orbit Review
- OOS
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On-Orbit Station
- OOS
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Orbit-to-Orbit Shuttle
- OOS
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Orbit-to-Orbit Stage
- OOSD
-
On-Orbit Support Document
- OOSD
-
Orbital Operations Support Document
- OOSDP
-
On-Orbit Station Distribution Panel
- OOSS
-
On-Orbit Support System
The abbreviation OOSS (On-Orbit Support System) includes the abbreviation SS (Support System).
- OPB
-
Oxidizer Preburner
- OPBS
-
Orbiter Payload Bay Simulator
- OPF
-
Orbiter Processing Facility
- OPI
-
Orbiter Payload Interrogator
- OPIS
-
Orbiter Prime Item Specification
- OPL
-
Orbiter Project Parts List
- OPLF
-
Orbiter Processing and Landing Facility
- OPM
-
Outer Planet Mission
- OPO
-
Orbiter Project Office
The abbreviation OPO (Orbiter Project Office) includes the abbreviation PO (Project Office).
- OPOV
-
Oxidizer Preburner Oxidizer Valve
- OPPAR
-
Orbiter Project Parts Authorization Request
- OPR
-
Orbiter Payload Recorder
- OPRV
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Oxygen Pressure Relief Valve
- OPS
-
Orbiter Project Schedule
- OPSS
-
Orbital Propellant Storage Subsystem
- OPWS
-
Orbital Payload Work Station
- ORCUS
-
Orbital Recording Capability and Update System
- ORD
-
Orbital Requirements Document
The abbreviation ORD (Orbital Requirements Document) includes the abbreviation RD (Requirements Document).
- ORS
-
Orbital Refueling System
- ORS
-
Orbital Reservicing System
- ORS
-
Orbital Resupply System
- ORT
-
Orbit Readiness Test
- ORU
-
Orbital Replaceable Unit
- ORU
-
Orbital Replacement Unit
- ORV
-
Orbital Research Vehicle
- OS
-
On-orbit Station
- OS
-
Orbiter CEI Specification
- OSC
-
Orbital Sciences Corporation
- OSCAR
-
Orbiting Satellite Carrying Amateur Radio
- OSCN
-
Orbiter Specification Change Notice
The abbreviation OSCN (Orbiter Specification Change Notice) includes abbreviations CN (Change Notice) and SCN (Specification Change Notice).
- OSCR
-
Orbiter Software Change Request
The abbreviation OSCR (Orbiter Software Change Request) includes abbreviations CR (Change Request), SC (Software Change) and SCR (Software Change Request).
- OSCRS
-
Orbital Spacecraft Consumables Resupply System
- OSDH
-
Orbiter System Definition Handbook
- OSE
-
Orbital Support Equipment
- OSF
-
Orbiter Simulation Facility
- OSM
-
On-Orbit Spares Model
- OSM
-
Orbiter Service Module
The abbreviation OSM (Orbiter Service Module) includes the abbreviation SM (Service Module).
- OSO
-
Orbiting Solar Observatory
- OSOP
-
Orbiter Systems Operating Procedure
The abbreviation OSOP (Orbiter Systems Operating Procedure) includes the abbreviation OP (Operating Procedure).
- OSS
-
Office of Space Sciences
- OSS
-
Orbiting Space Station
The abbreviation OSS (Orbiting Space Station) includes the abbreviation SS (Space Station).