Related by context. All words. (Click for frequent words.) 62 AN/VRC-# 61 C4I systems 60 Falcon III AN/PRC-#G 60 AN/PRC-#F 60 AN/PRC-#G 60 JTRS approved 59 FIPS #-# Validated 59 Hoku MEA 59 Falcon III AN/PRC-# 59 autonomous PowerBuoy 59 AN/PRC-# C 59 AIM #D 59 DuraCOR 59 FBCB2 BFT 59 GLOBETrekker 59 AN/PRC-# C radios 58 wideband networking 58 MRAP Vehicles 58 SatMAX ® 58 manpack 58 BLACK HAWK helicopters 58 troposcatter communications 58 TUAV 58 G ATOR 58 SatMAX R 58 Thermal Weapon Sight 58 Luxul 58 DEFIMNET 58 ORBCOMM satellite 58 KH4 58 Falcon III AN/VRC-# 58 manpack radio 58 Microgrid 58 Amperium wire 58 SteelWorks FedMobile 58 AuraGen 58 CROWS II 57 Air Combat Maneuvering 57 TransTRAK 57 AUSI 57 Mounted Warrior 57 UUVs 57 sonobuoys 57 secure timing SAASM 57 NOxOUT ULTRA 57 SUGV 57 OSRVT 57 System MUOS 57 SUAV 57 VTUAV 57 STAR ISMS ™ 57 MTP# 57 JNN WIN T 56 Zumwalt destroyers 56 CATCHER TM 56 TQP# 56 COTM 56 Selective Availability Anti Spoofing 56 troposcatter 56 AN/PRC-# 56 Phalanx Close 56 M# launcher 56 CAMCOPTER S 56 GlooNet 56 manpack radios 56 Adour engines 56 MH #R aircraft 56 WESCAM 56 SINCGARS 56 WGS satellites 56 TruLink 56 VIS X 56 GNSS receivers 56 tactical UAV 56 multiband multimission 56 RQ 7B Shadow 56 layered Ballistic Missile 56 LRAD RX 56 RF #W 56 ARRIS DOCSIS 56 Pranalytica 56 LAV A2 56 RapidCell 56 Netted Iridium 56 OPT PowerBuoy 56 BroadAccess #E 56 GlobalTRACS 56 Omni Directional Technology 56 JAUS compliant 55 BlueView 55 MeshScape 55 UHF SATCOM 55 Marine Corps USMC 55 RF #M 55 StreetLab Mobile 55 Remote Weapon 55 RAYTHEON CO 55 Electronic Portable ADEPT 55 AN/TPQ-# 55 JTRS radios 55 M-TADS/PNVS 55 multiband manpack radio 55 airborne ISR 55 TRuepoint 55 P 8A Poseidon 55 Aegis Weapon System 55 Aegis Cruisers 55 LRAD #X [001] 55 iRobot PackBot 55 JCREW 55 SATCOM WGS 55 AN/TPS-# 55 TACNAV 55 Spirent GSS# 55 MQ 8B 55 KC #J tankers 55 FANUC robots 55 Aegis warships 55 Workabout Pro 55 Axial Flux 55 precision airdrop 55 Phalanx CIWS 55 integrated circuits MMICs 55 Wavestream Corporation 54 KVH FOGs 54 Smart Nanobattery 54 Wideband Networking Waveform 54 REDIview 54 Caiman MTV 54 HF radios 54 turbines reciprocating engines 54 UltraCell XX# 54 GPS L2C 54 ICO G1 54 NVESD 54 Satcon Solstice 54 Ancillary Terrestrial Component ATC 54 Strategic Command USSTRATCOM 54 SATCOM terminals 54 TWTAs 54 ® AN/PRC-# C 54 EO IR 54 Phoenix SecureCore Tiano 54 Vanu Anywave 54 AtHoc IWSAlerts ™ 54 SOCET GXP 54 HDS# 54 P# trunked 54 Sikorsky CH #E 54 helicopter airframes 54 NLOS Cannon 54 CIGSolar ™ 54 MB#K# 54 BreezeACCESS VL 54 reachback 54 Aegis Combat 54 Ku Band 54 GlobalWave 54 JTRS Cluster 54 multiband radios 54 Pak HPP 54 airborne shipboard 54 transportable platforms 54 BigBand Cuda 54 Aperto PacketMAX 54 AEHF satellite 54 CleanSource UPS 54 Unmanned Aerial Vehicles UAV 54 tactical radios 54 KIV 7M 54 IData 54 OS COMET 54 OmniTRACS 54 P 8A MMA 54 Forces Command FORSCOM 54 Yahsat 1A 54 PacStar TM 54 X2 TECHNOLOGY 54 PLS A1 54 Satellite Terminals 54 Tactical Unmanned Aerial Vehicle 54 SDD phase 54 MRAP variants 53 amplifier adapter 53 FasTac Kit 53 iNetVu Mobile antennas 53 Common Sensor Payload 53 MQ 5B 53 uncooled infrared 53 Cougar Mastiff 53 Airspan HiperMAX 53 Comtech EF Data 53 ReFLEX 53 Tactical Engagement 53 M#A# Abrams Tank 53 HEMTT A4 53 OSI Geospatial systems 53 MOTOTRBO 53 LRAD X 53 LVSR 53 M#A# Abrams Main 53 JMPS 53 InRob 53 iNetVu Mobile antenna 53 TALON robots 53 TDRSS 53 SBSS satellite 53 Opgal 53 AEGIS destroyers 53 Airmen Soldiers Sailors 53 OmniPixel3 HS 53 LITENING 53 integrated optical biosensor 53 SwitchBack 53 Highband Networking Radio 53 DAGR 53 SARBE 53 Gigamon GigaVUE platform 53 CSRV 53 MONAX 53 CiPHR 53 Cray XE6 supercomputer 53 Adelos 53 Electronic Warfare EW 53 FreeLinc 53 RFIC simulation 53 Heavy Expanded 53 ARC configurable processor 53 fiber optic gyros 53 multiband handheld radios 53 Laser Guided Bombs 53 SeaSpace 53 EPOCH IPS 53 Hydrogen Generator 53 InnerWireless Horizon 53 Axeda DRM 53 exactEarth Ltd. 53 RTI middleware 53 terrain forklifts 53 Capstone MicroTurbine ® 53 Infantry Fighting Vehicle 53 JTRS HMS 53 NAVSTAR 53 Rolling Airframe Missile 53 geostationary earth 53 Topol M missile 53 MUOS satellites 53 GenCore 53 appliqué armor 53 electro optical sensor 53 Echotek 53 tactical wheeled 53 WCDMA HSDPA 53 Clevest 53 ScanEagle UAV 53 generation Palletized Load 53 Navy MH #R 53 HMMWVs 53 Telemetrix R 53 modular scalable 53 BomBot 53 MRAP ATV 53 wireless mesh nodes 53 F2AST 53 Helmet Mounted Display 53 SwiftLink 53 AN/PRC-#F C 53 EO IR sensors 53 Infor ERP LX 53 MaxxPro MRAP 53 TrangoLINK Giga 53 Technology Demonstration JCTD 53 Telesat Nimiq 53 sensor payloads 53 Optical Sensor 53 satcoms 52 MILSATCOM 52 TETRA radios 52 Altairnano battery 52 Predator UAV 52 Star SAFIRE 52 ENVG 52 Stratellite 52 MHz transponder 52 SINCGARS radios 52 Capstone MicroTurbine R 52 MiniBOSS 52 Milsoft 52 guided munition 52 AXTracker 52 Battlelab 52 Infinera Submarine Solution 52 Broadcom BCM# SoC 52 DPGDS 52 JAUS 52 PowerBuoy ® 52 Ripwave 52 DSS# 52 PackBot robots 52 HIMARS 52 RF subsystems 52 E2E GPON 52 terrestrial concentrator 52 Puma AE 52 Mobile User Objective 52 AN/PRC-#G manpack 52 UH 1Y 52 Compact Modular 52 Anywave 52 proprietary LRAD 52 VEE Window 52 Submarine Launched 52 MRAP Vehicle 52 BrightEye 52 M# Armored Knight 52 Aegis Weapon Systems 52 Vertical Launching System 52 Mobility Tactical 52 Adaptive Diagnostic 52 T#XR 52 VSAT terminals 52 MUOS satellite 52 dismounted soldier 52 DKET 52 SkyLynx 52 Combat Survivor Evader 52 MobiLink 52 satID 52 Electro Optical EO 52 BrightLase 52 MAINGATE 52 SiteMaster 52 SatManage 52 KC #J 52 Koreasat 6 52 Unmanned Ground Vehicle 52 Airborne Laser Mine 52 altitude airship 52 iMOTION 52 Army CECOM 52 PowerBuoys 52 Datacryptor 52 picosecond laser 52 ELINT 52 DVCS 52 ASTAMIDS 52 Up Armored HMMWV 52 DVB S2 standard 52 DTCS 52 ZBVs 52 Inmarsat Fleet 52 Palletized Load System 52 NIITEK 52 Capstone microturbines 52 ExtendAir 52 JHSV 52 ANVIS HUD 52 optionally piloted 52 Gallium Nitride GaN 52 Globalstar constellation 52 turboshaft engine 52 Evolved Sea 52 Wi Sys 52 polymer modulator 52 AIM #C# 52 JPALS 52 PTDS 52 PWeR TM 52 A# spacecraft 52 readily deployable 52 GA ASI 52 RF #M MP 52 SSDS Mk 2 52 MaxxPro MRAP vehicles 52 Tactical Truck 52 GaN amplifiers 52 Tactical Tomahawk 52 GPS GNSS 52 multisensor 52 Minotaur IV 52 MC#i 52 Watchkeeper UAV 52 Coolteq 52 Fire Scout VTUAV 52 SLAM ER 52 GPS IIIA 52 JITC certified 52 iNetVu R 52 Tac Eye 52 Matrox VDA 52 Tactical Missile 52 PacketLogic PL# [002] 52 EPLRS 52 TRuepoint TM 52 RedBlack Communications 52 mprodigy 52 XLS Processors 52 STARA Technologies 52 ASVs 52 iNetVu ® 52 survivability enhancements 52 AMRDEC 52 MobileSearch HE 52 Intwine Connect 52 Toughbook U1 52 vehicles UGVs 52 #L# [002] 52 Radio Waveform SRW 52 phoenix x ray 52 WGS satellite 51 Radio Waveform 51 Echo SatCom 51 Thuraya IP 51 Luxul Clear WAV 51 electro optic sensors 51 Dual Band 51 Flatpack2 51 MaxxPro Dash 51 XX# 51 UH 1N 51 TCDL 51 DuraNET 51 electro optical infrared 51 vetronics 51 pRFID 51 CAC2S 51 VIPER HMD 51 SkySat 51 Mobile Softswitch Solution 51 Sikorsky X2 Technology 51 electromechanical assemblies 51 Missile Warning 51 WiMax #.#e 51 TORR TM 51 Minuteman IIIs 51 EA #G aircraft 51 Evolved SeaSparrow Missile 51 Navy F/A-#E/F 51 RADARSAT 2 51 SurfBeam 51 MissionCare 51 VisionMaster FT 51 ACE #WB 51 P 3Cs 51 MALE UAV 51 GaN HEMT 51 Solutions NETCENTS contract 51 Savi SmartChain 51 System ARBS 51 ShoreTel UC 51 industrially hardened 51 MicroTCA TM 51 M# GPS RADIONOVA 51 KDX III 51 EC# helicopters 51 Belvoir Va. 51 BrightSite ® 51 embeddedMIND 51 TWS II 51 Gyrocam 51 GPS IIF satellites 51 electro-optical/infrared 51 Station CROWS 51 Mobile VACIS 51 TREE Platform 51 LRAD #X [002] 51 Geosemble Technologies 51 Next Generation Jammer 51 MicroMAX 51 HydroFix 51 UASs 51 EOD robots 51 Advanced EHF 51 Message Handling 51 WATCHKEEPER 51 PureCell 51 Vehicle Replacement MTVR 51 LEMV 51 VINASAT 1 51 3eTI 51 VT Miltope 51 Lucent Stinger 51 Improved Outer Tactical 51 Rapid Aerostat Initial 51 Ubiquiti 51 GNSS receiver 51 JTRS Software 51 Rugged Tablet 51 Missile Defense Radar 51 Sniper XR 51 SSPAs 51 Man Transportable Robotic 51 Unmanned Surface 51 NanoAir 51 flux vector 51 IDT DisplayPort 51 XTRAX R 51 BuckEye 51 MIMO antenna technology 51 AS.MAX 51 OnAsset Platform 51 Omnify PLM 51 CLARiiON AX4 51 supersonic cruise missiles 51 CXR Larus 51 iNetVu Mobile 51 Landing Tactical Unmanned 51 EV# [003] 51 VideoGuard Express 51 CSM# 51 EnerChip CC 51 P 8As 51 JBPDS 51 millimeter wave MMW 51 International MaxxPro Dash 51 LibertyWorks 51 RadMax R 51 First InterComm 51 Archie Massicotte 51 Utility Helicopter 51 hypersonic missile 51 BrilliantColor TM 51 AESA radar 51 AESA Radar 51 HTS motors 51 CaseSentry 51 Sniper ATP 51 CERDEC 51 PicoP 51 Gen4 51 i.MX# processor [001] 51 FlexWave TM 51 Hawklink 51 SkyExtender 51 proprietary Zone Sonography 51 AW# helicopter 51 KONGSBERG 51 HEV EV 51 CHIPSat 51 unmanned reconnaissance 51 linescan cameras 51 FROM SCIENCE 51 UHD ™ 51 Airspan WiMAX 51 Aegis BMD capability 51 High Frequency AEHF 51 earth orbiting satellites 51 Anik G1 51 BETSS C 51 MC #J 51 MIL STD #B 51 AirCell Axxess 51 Swift# 51 Motorola wi4 WiMAX 51 RedMAX 4C 51 patented omni directional 51 ProMag 51 Autoscope Terra 51 move COTM 51 InterReach 51 LCSs 51 KVH TACNAV 51 BFT HC 51 trunked radio systems 51 NightHunter 51 EDXRF 51 THAAD missile 51 Techwell TW# 51 P 3C aircraft 51 intercepting ballistic missiles 51 iRobot Warrior 51 GEOCommand 51 OH #D 51 SELEX GALILEO 51 warfighting concepts 51 Data Modem 51 Rapidly Deployable 51 Visual KPI 51 Stationary Industrial 51 iNetVu 51 FlexACM 51 Wideband Global 51 silicon micromachined 51 Nimiq 5 51 Innosuisse 51 Command USSOCOM 51 channel FADEC 51 Telispark Mobile Enterprise 51 Ultra Electronics DNE 50 Northrop Grumman Sperry 50 TADS PNVS 50 Stryker Brigade Combat 50 MRAP Mine Resistant 50 Tactical Automated 50 CH #K 50 Radio Controlled Improvised 50 NarusInsight 50 Tsunami MP.# 50 lithium phosphate battery 50 Night Vision Goggle 50 Outbound Spam Protection 50 unmanned rotorcraft 50 UH 1Y Huey 50 Enhanced Paveway II 50 Agilent MXA 50 UH #J 50 PXI RF 50 HALE UAV 50 MDA Ballistic Missile 50 Lockdown NAC 50 tethered aerostat 50 AirPrime MC# 50 FEMs 50 HULC 50 HTS cables 50 Micromem patented 50 Tactical Reconnaissance 50 Inmarsat SwiftBroadband 50 radio BelAir# 50 MGVs 50 Spi Sun 50 BankFusion Universal Banking 50 THAAD Battery 50 Spacebus 50 Concurrent RedHawk Linux 50 Ballistic Protection 50 GSM GPRS module 50 Perceptrak R 50 Liteye 50 Z Backscatter Van 50 Excalibur Ia 50 ramjet propulsion 50 Carrier Strike Groups 50 UUV 50 Systems Command MARCORSYSCOM 50 AN/AQS-#A 50 SmartPlant Construction 50 Mobion ® 50 Intellon HomePlug ICs 50 geospatial visualization 50 SWIR cameras 50 unmanned airborne 50 S#C# 50 CH #K Heavy 50 Mars Pathfinder lander 50 JERRV 50 Multi Mode 50 MRAP vehicles 50 CyTerra 50 SonicWALL Aventail SSL VPN 50 Ka band 50 TAMSCO 50 Selective Laser Sintering 50 RF #S Secure 50 WPPL 50 grid V2G 50 developing MMI UI 50 D5 missile 50 MeshMAX 50 Combat Helmets 50 REpower wind turbines 50 AN/ALQ-# 50 BiFET 50 Explosives Detector 50 Manpack 50 Waterlase R 50 trunked radio 50 Astrium Eurostar 50 MS#xC Spectrum Master 50 BelAir#D 50 #x# WSS 50 Tactical UAV 50 HomePowerPlant 50 MH #R helicopters 50 TruBio TM 50 GB GRAM 50 TS #A 50 directional infrared countermeasures 50 OneWireless 50 dispersion tolerance 50 demonstration SDD 50 GaAs FET 50 ASTRA 1KR 50 1G EPON 50 VoiceGenie platform 50 MP RTIP 50 TAPV 50 Model #A 50 Trimble GeoManager 50 KC #Js 50 MicroLight 50 Catalyx 50 Tactical Radio 50 ERP VISUAL 50 GQM #A Coyote 50 ExpeditionDI 50 CC #J 50 Ericsson Mobile Softswitch 50 Unmanned Aerial Vehicles UAVs 50 PRIMERGY servers 50 AN/ALE-# 50 Predator Reaper 50 multimission helicopter 50 TDRS K 50 zNose R 50 TACNAV systems 50 Navy F/A-#s 50 Ka #T 50 aeroderivative gas turbine 50 CTS# [002] 50 AN/PVS-# 50 NLAW 50 Wideband Gapfiller Satellite 50 UltraWave 50 GE# engines 50 HyPM 50 Navy EA #G 50 Exigen Suite 50 Impeva 50 petascale supercomputers 50 HDAM 50 FMTVs 50 RAPID RCx Program 50 NLOS C 50 Lightweight Laser Designator 50 ATI Radeon E# MXM 50 D#g#tal Dr1ve 50 Sierra Wireless AirLink 50 Sentiris 50 Caiman MRAP 50 RFEL 50 Heavy Expanded Mobility 50 Kyocera iBurst 50 TTNT 50 IRRIS 50 Quantum Sniffer 50 PASOLINK 50 2 Block IIIA 50 LBAC 50 IEEE #.#af compliant 50 Milstar constellation 50 hybrid propulsion 50 CH #F 50 Infrared Sensor 50 MPCV 50 Stryker Brigades 50 STT #G 50 AH #D 50 Redline WiMAX 50 BrightStar TM 50 AESA radars 50 iDirect Evolution platform 50 Triumfant Resolution Manager 50 Firefinder 50 MAGTF 50 Luxtron 50 IWLAN 50 kW inverters 50 Ground Based Midcourse 50 slot PXI chassis 50 NAWCWD 50 CAISI 50 VeeLo NextGen 50 Thermal Weapon Sights 50 Wi Tronix 50 HEMTT A3 50 SOCET SET 50 Division Airmobile 50 PEO IWS 50 FasTac 50 Telstar #N 50 Wheeled Vehicle HMMWV 50 SMDC ARSTRAT 50 Adaptive Optimization 50 HIIDE 50 Nokia NetAct 50 UH #M 50 VTOL UAV 50 laser diode modules 50 RX1 50 Ultera 50 Adaptive DPSK 50 Suitcase CCT# 50 Telstar #N satellite 50 Stratellite TM 50 ShoreTel IP telephony 50 UHF radios 50 CH #K helicopter 50 XTAR EUR 50 C2PC 50 GPS IIF 50 Specops Deploy 50 PointSync 50 EP 3E 50 Overwatch Systems 50 QS# [002] 50 Modernized Target Acquisition 50 TrueFocus 50 VRSim 50 HMDS 50 Brigade Combat Teams 50 infrared sensing 50 Common Transponder 50 BreezeMAX TM 50 Anik F2 50 NeuralStar 50 Networthiness 50 II D5 Fleet 50 propulsion motors 50 MBd 50 EFOY Pro 50 QZSS 50 OCTEON II 50 Heli Lynx 50 DPSK 50 containerized datacenter 50 Space Fence 50 NetGuardian 50 Exotic Electro Optics EEO 50 Vehicle UAV 50 ADVA Optical Networking FSP 50 RQ 4B Global 50 Small Unmanned Ground 50 Gilat SkyEdge II 50 MicroTurbine 50 STOVL aircraft 50 THAAD Weapon System 50 BriteLight 50 Network Emulators 50 WiMetry platform 50 SunPower Tracker ® 50 MultiComputer 50 DIRCM 50 Xebec designs 50 FADEC equipped 50 EOIR Technologies Inc. 50 Based Augmentation System 50 Engineering Outcome Certainty 50 Cargo Aircraft 50 Altitude Area 50 M# Armored Security 50 TerraSync software 50 Unmanned Aircraft System 50 ProtoStar II 49 unmanned reconnaissance aircraft 49 SBIRS GEO 49 JSECST 49 frequency synthesizer 49 Infinera DTN optical 49 electro-optical/infrared sensors 49 Alvarion BreezeMAX 49 CIRCM 49 Chip Synthesis 49 multiband radio 49 GPS OCX 49 JDAM kits 49 LONGBOW FCR 49 Mobion 49 PackBot 49 Airspan WiMAX Forum 49 ruggedized handheld 49 SunWave 49 Systems UAS 49 VACIS R 49 Aerovironment 49 Arotech Armor Division 49 Anti Tamper 49 Littoral combat 49 PROTECTOR RWS 49 XTAR 49 WebTech Wireless Quadrant 49 Laser JDAM 49 FiberPatrol 49 JCSAT 9 49 diameter coiled tubing 49 PEO STRI 49 UH #L 49 CPKs 49 MTVR 49 Northrop Grumman MQ 8B 49 CoolAir DC 49 XO SIP 49 BAMS UAS 49 BMD Weapon System 49 Mk5E 49 BrahMos missiles 49 Aerial Refueling Boom 49 DREN 49 STATCOM 49 Alvarion WiMAX 49 wheeled armored vehicles 49 Rocket System MLRS 49 MSS ATC 49 MeshGuard 49 inverter charger 49 array AESA 49 aeroderivative 49 AMNS 49 Inmarsat BGAN 49 Systems Command NAVSUP 49 System MEADS 49 MÄK 49 unarmed drones 49 Xpedion 49 DigitalGlobe imagery 49 Aegis BMD ships 49 InterReach Unison 49 Spaceway F1 49 i Lytics 49 RF #V 49 Globalstar simplex data 49 UQM ® 49 Pyxos 49 mSwitch 49 PM4i 49 HazMatID 49 Entry Panels 49 Enphase Microinverter System 49 Axonn 49 LightGAIN 49 LonWorks ® 49 Vehicle SUGV 49 LITENING AT 49 MEO satellites 49 electro-optical/infrared sensor 49 Boeing P 8A 49 Ambush Protected 49 CDL Hawklink 49 CARTOSAT 2A 49 TL# certification 49 Wireless Matrix FleetOutlook 49 BigBand SDV solution 49 Rolls Royce Turbomeca 49 HERTI 49 Gridstream RF 49 ShoreTel Unified Communications 49 BGAN terminals 49 airborne reconnaissance 49 HF VHF 49 designs infrared sensor 49 UK DMC2 49 DuraFon 49 Silicom SETAC 49 AN #i 49 intelligence SIGINT 49 AV NASDAQ AVAV 49 Aeropower 49 proprietary GelSite ® 49 aXiom 49 TO SOLUTIONS 49 F/A-#E/F aircraft 49 Wideband Networking Waveform WNW 49 Ceragon FibeAir 49 patented Ecosphere Ozonix 49 Unmanned Aerial 49 SwifTest 49 MH #R Seahawk 49 UniPhier 49 THOR LVX 49 Glonass K 49 C #J aircraft 49 SwiftBroadband 49 Omnibus VII 49 VASIMR 49 Xoriant 49 MultiWave 49 Multi Spectral Targeting 49 Dart UWB 49 Polaris WLS 49 III manpack 49 Intelligence C4I 49 JPADS 49 ProntoForms 49 LADAR 49 Calix C7 Multiservice Access 49 MB#R# 49 EngageIP 49 ONVIF compliant 49 System ATACMS 49 AirMaestro WLAN 49 Vehicle ASV 49 RQ 4N 49 CleanSource ® 49 Outer Tactical Vests 49 ROKAF 49 Navy Multiband Terminal 49 lithium rechargeable batteries 49 FlashDisk RAID disk arrays 49 AN/AAQ-# 49 Ener1 lithium ion battery 49 Technology Demonstrator 49 Immersion TouchSense technology 49 Heron UAVs 49 Z# 3DVisor 49 Dimetra IP 49 Elster EnergyAxis 49 Nautilus XE# 49 Heron UAV 49 WAAS EGNOS