Related by context. All words. (Click for frequent words.) 78 AESA radar 73 AESA radars 71 AN/APG-# 69 AN/TPS-# 69 Raytheon APG 68 F/A-#E/F Super Hornet 68 AESA Radar 68 F/A-#E/F aircraft 67 AN/FPS-# 66 RACR 66 multirole 66 APKWS II 66 EJ# [001] 66 EA #G aircraft 66 AIM #D 65 AESA 65 Sukhoi Su #MKI 65 G ATOR 65 multirole fighters 65 Gripen NG 65 mechanically scanned 65 F/A-#E/F 65 APS #C 65 MP RTIP 64 multimission helicopter 64 Technology Insertion 64 AIM 9X Sidewinder 64 LITENING 64 avionic systems 64 SUAV 64 AN/TPQ-# 64 BQM #E 64 array AESA 64 CTOL 64 AN/AAQ-# 64 F #Ks 64 Raptor stealth 64 MH #R helicopter 64 MQ 8B 64 tiltrotor aircraft 64 F/A-# F 64 Tactical Reconnaissance 64 Unmanned Aerial Vehicles UAVs 64 Su #SM 63 E 8C 63 Small Diameter Bomb SDB 63 multirole aircraft 63 LRASM 63 unmanned rotorcraft 63 Lockheed Martin F #IN 63 Erieye 63 Boeing AH #D 63 Aegis Weapon System 63 Saab Gripen 63 Su #MK 63 Versatile Affordable 63 P 8As 63 array AESA radar 63 Su #MKI 63 RQ 7B Shadow 63 UH 1Y 63 directional infrared countermeasures 63 C #J aircraft 63 ATIRCM 63 AN/ALQ-# 63 FGFA 63 AIM #C# 63 CIRCM 63 Aircrew Training System 63 WGS satellites 63 TOFTs 63 CH #K 63 M-TADS/PNVS 63 Hawk AJT 63 Navy F/A-#E/F 63 Mikoyan MiG 62 MH #R helicopters 62 Su #MK# 62 AV 8B 62 Joint Standoff Weapon 62 Fire Scout VTUAV 62 LAIRCM 62 STOVL aircraft 62 AN/TPY-2 62 multirole fighter aircraft 62 Su #MKI aircraft 62 Dassault Mirage 62 Aerosonde Mark 62 Sniper XR 62 Selective Availability Anti Spoofing 62 UCAVs 62 radar evading stealth 62 F/A-#F 62 Paveway II 62 Swedish Gripen 62 AGM #E 62 DIRCM 62 Reliability Enhancement 62 Landing Tactical Unmanned 62 Laser JDAM 62 F #IN 62 System ATACMS 62 UH #M 62 Tactical Tomahawk 62 THAAD radar 62 F/A-#C/D 61 TADS PNVS 61 supercruise 61 infrared countermeasures 61 Apache Longbow 61 resolution synthetic aperture 61 Space Fence 61 MALE UAV 61 Longbow Apache 61 Su #M# 61 SaM# engine 61 RQ 4B 61 Phased array 61 Navy F/A-#s 61 Helmet Mounted Display 61 IRST 61 RQ 4N 61 AgustaWestland AW# 61 tactical UAV 61 multirole combat 61 Ka #T 61 EH# [001] 61 stealthy supersonic 61 P 8A Poseidon 61 Phalanx Close 61 EA #G Growler 61 electro optical infrared 61 Advanced EHF 61 BRAHMOS 61 Adour engines 61 Air Combat Maneuvering 61 JF# 61 Micro Aerial Vehicles 61 HDAM 61 Kaveri engine 61 LTS# 61 SU #MKI 61 Saab JAS 61 P 8A MMA 61 MiG #SMT 61 AN/ALE-# 61 CH #F Chinook 61 Mig #K 61 Mi #N 61 Su #MKI fighters 61 Enhanced Paveway II 61 SDD phase 60 EuroHawk 60 BrahMos missile 60 Saab Gripen NG 60 Small Diameter Bomb 60 Medium Multirole Combat Aircraft 60 TPQ 60 EA #Gs 60 Common Sensor Payload 60 Unmanned Aerial System 60 Predator UAV 60 fighter aircrafts 60 AN/APS-# 60 Improvement Program SEWIP 60 laser designators 60 Panavia Tornado 60 CROWS II 60 EOTS 60 Electronically Scanned Array 60 SolarEagle 60 turbojet engines 60 AH #D Apache 60 9FB 60 strategic airlifter 60 multirole fighter 60 multirole combat aircraft 60 Unmanned Aerial Vehicle 60 Air Launched Decoy 60 EO IR sensors 60 stealthy supersonic multi 60 JSTARS 60 Unmanned Aircraft System 60 Wideband Networking Waveform 60 BrahMos cruise missile 60 Infrared Countermeasure 60 AMRAAM 60 Watchkeeper 60 AESA equipped 60 Lightweight Laser Designator 60 VisionMaster FT 60 hypersonic missile 60 Shadow Tactical Unmanned 60 Sukhoi #MKI 60 F #A Raptor 60 MiG #K 60 Submarine Launched 60 LRIP 60 Control AEW 60 Akash missiles 60 Joint Helmet Mounted 60 BrahMos missiles 60 Autonomic Logistics Information 60 Sikorsky UH #M 60 endurance UAV 60 Inertial Navigation System 60 P 3Cs 60 MH #R Seahawk 60 Spirit stealth bomber 60 AIM #C 60 supersonic cruising 60 ScanEagle UAV 60 Small Diameter Bombs 60 Hawk AJTs 60 STOVL variant 60 F/A-# fighters 60 MQ 8B Fire 60 JSOW C 60 T #TS 60 Raytheon GBU 60 Satellites GOES 60 #A Stealth 60 supersonic cruise missile 60 Tor M2E 60 Short Range Ballistic 60 UCAS D 60 SELEX Galileo 60 Sikorsky HH #G 59 AMF JTRS 59 Gyroplane 59 MiG #KUB 59 System MUOS 59 General Electric GEnx 59 Tactical Trainer 59 LITENING AT 59 EJ# engines 59 F# Raptor 59 P 8I aircraft 59 thrust vectoring 59 AH 1Z 59 GIRAFFE AMB 59 supersonic cruise 59 F/A-#E 59 JSFs 59 RQ 4B Global 59 Su #S 59 GPS IIF 59 WGS Block 59 turbofan engine 59 Gripen fighter jet 59 E/A-#G aircraft 59 multisensor 59 Sukhoi SU 59 Litening 59 EH# Merlin 59 Missile Segment 59 AWACS radar 59 EO IR sensor 59 MQ 9s 59 Laser Guided Bomb 59 NCADE 59 GA ASI 59 Giraffe AMB 59 Laser Guided Bombs 59 EO IR 59 Radar Modernization 59 Geared Turbofan 59 Avionics Modernization Program 59 RTM# 59 Vertical Launching System 59 Role Combat Aircraft 59 PAK FA 59 KDX III 59 AH #D 59 Synthetic Aperture Radar 59 Cargo Aircraft 59 C 5Bs 59 AIM 9X 59 BrahMos cruise missiles 59 indigenously designed 59 French Rafale 59 Intermediate Range Ballistic 59 LCA Tejas 59 Phased Array 59 Merkava Mk 59 AARGM 59 JHMCS 59 F 4E 59 Vehicle OBV 59 F #B STOVL 59 MALD J 59 KC #J 59 M# launcher 59 EA 6B 59 ELINT 59 SEWIP Block 59 Tactical Missile 59 F #I 59 radar evading F 59 IntuVue 59 WESCAM 59 AH #A 59 LEAP X1C 59 JAS Gripen 59 Su #MKM 59 UH 1N 59 Osprey tiltrotor 59 PW#F 59 BLACK HAWK helicopters 59 AIR WEAPONS 59 turboshaft engine 58 Pantsir S1 58 Missile Defense Radar 58 EMARSS 58 P 8A 58 Phalcon AWACS 58 Full Flight Simulator 58 Sweden Gripen 58 turboshaft 58 tactical airlifters 58 Carrier Variant 58 Super Hornet 58 GPS IIF satellites 58 Agni Prithvi 58 UH #M Upgrade 58 Sukhoi PAK FA 58 Light Combat Aircraft 58 HERTI 58 Mikoyan Gurevich MiG 58 demonstration SDD 58 trainer AJT 58 EC# helicopters 58 NH# helicopter 58 VTOL UAV 58 Aerial Vehicle VTUAV 58 F/A-#E/F Super Hornets 58 C#J 58 Air Missile AMRAAM 58 Sniper ATP 58 electro-optical/infrared 58 Qatar Emiri Air Force 58 AH 1Z Cobra 58 Sniper pods 58 Next Generation Jammer 58 Cueing System JHMCS 58 F# Joint Strike 58 CAMCOPTER S 58 SATCOM WGS 58 JCSAT 9 58 AWACS airborne warning 58 Sukhoi fighter 58 STUAS 58 Dassault Rafale 58 CC #J 58 RAC MiG 58 WATCHKEEPER 58 Tu #M# bombers 58 AH 1W 58 Ground Based Midcourse 58 MH #R aircraft 58 C #J Joint 58 airborne ISR 58 THAAD missile 58 L#B 58 BQM 58 C #J Super 58 3DELRR 58 BrahMos supersonic 58 Medium Extended 58 S #B Seahawk 58 MH #G 58 nEUROn 58 Initial Production LRIP 58 Rolls Royce BR# 58 Dhruv helicopters 58 Globemaster III transport 58 A#T Hummingbird 58 GE# engines 58 System Demonstration UCAS 58 LMT LMT 58 Program MP RTIP 58 GE# engine 58 Excalibur Ib 58 Heron UAV 58 STUAS Tier II 58 turboshaft engines 58 Tu #M# 58 MQ 1C 58 M MRCA 58 Joint Experimentation 58 SPY 1F 58 CH #F 58 F 4s 58 Cubic Receives 58 supersonic stealth fighter 58 Indigenously developed 58 Paveway IV 58 Aegis Combat 58 ramjet propulsion 58 F #As [001] 58 SAAB Gripen 58 Laser COIL 58 Guided Multiple 58 UCAV 58 Project Wedgetail 58 Apache AH 58 RERP 58 Anti Submarine Warfare ASW 58 Redstone Arsenal Ala. 58 Lightning IIs 58 Modernized Target Acquisition 58 GE IN# 58 optionally piloted 58 DuraCOR 58 JAGM 58 Hawk Mk 58 Aegis Weapon Systems 57 vehicles UAVs 57 SATCOM terminals 57 Mirage #-# 57 MC #J 57 Surface Electronic Warfare 57 UAVS 57 Antei 57 ENVG 57 MALD 57 P 3C Orions 57 Rolls Royce Turbomeca 57 B#NG 57 Small Tactical Unmanned 57 multirole jet 57 MRTT 57 Re engining Program RERP 57 HyFly 57 Patriot PAC 57 Sovremenny class destroyers 57 Tactical Automated 57 F# propulsion system 57 Extended Range ER 57 Honeywell TFE# 57 Gripen fighter aircraft 57 Multi Role Tanker 57 cryocooler 57 AH 6i 57 electro optic sensors 57 Eurojet EJ# 57 E/A-#G 57 F# engines 57 Network Tactical WIN 57 Mig #s 57 F 5E 57 Sukhoi fighters 57 SuperCobra 57 BAMS UAS 57 STOVL F 57 Su #MKIs 57 F/A-# Raptor 57 UH 1Y Huey 57 M#A# Abrams Main 57 Missile Warning 57 wideband networking 57 tandem rotor 57 indigenously developed 57 LEMV 57 Sejjil 57 #L# [002] 57 Lockheed Martin LMT.N 57 Watchkeeper UAV 57 Aerial Vehicle 57 AN/APS-# Multi Mode 57 Dhruvs 57 Rheinmetall Defence 57 FADEC equipped 57 Aegis warships 57 Rolling Airframe Missile 57 Thermal Weapon Sights 57 F #Is 57 F #Bs 57 manpack radio 57 JTRS radios 57 SLAM ER 57 Nulka 57 GE Honda HF# 57 GEnx 1B 57 PW#A 57 long endurance HALE 57 SPPA T# 57 Battlefield Airborne 57 P 8i 57 Tranche 3A 57 EA #G 57 Vigilare 57 HAL Dhruv 57 HELLFIRE II 57 Multirole 57 CH #K helicopter 57 AN/AAQ-# V 57 JLENS 57 ALHs 57 Rafale jet 57 GE CF6 57 NLAW 57 Apollo lunar lander 57 RQ #B Raven 57 Infrared Sensor 57 narrowband tactical 57 Globalstar constellation 57 KC #J tankers 57 CH #D 57 PurePower TM 57 supersonic jet trainer 57 Adaptive Diagnostic 57 P 3C 57 Sensis MDS 57 AERO Vodochody 57 RAM Guided Missile 57 System ARBS 57 MH #S 57 airborne radars 57 tactical airlifter 57 MILSATCOM 57 Combat Assault Rifle 57 2 Block IIIA 57 AS# NP 57 AN/SPY-1 57 SaM# 57 Block IIA 57 Aegis Cruisers 57 Swedish JAS 57 F/A-#F Super Hornets 57 Bulava submarine launched 57 Eurostar E# platform 57 HMDS 57 Unmanned Aerial Vehicles 57 APKWS 57 HOUSE Remains 57 Hellfire II 57 Tech Insertion 57 C 5M 57 Suntech solar panels 57 Weapon System 57 CAC2S 57 NASA GLAST 57 Thales Alenia 57 X2 TECHNOLOGY 57 KC #J Hercules 57 Saeqeh 57 UAV 57 Boeing #NG 57 GE CF# 57 Mil Mi 57 Unmanned Combat Air 57 Electronic Warfare EW 57 Sniper pod 57 TTNT 57 RQ 4 56 AH #Ds 56 F2AST 56 Terma 56 Advanced Hawkeye 56 UASs 56 airframe avionics 56 TWS II 56 AMDR 56 Radio Controlled Improvised 56 Blighter 56 TF# powering AWACS 56 EADS Astrium GmbH 56 tiltrotor 56 Targeting Pod 56 SLAMRAAM 56 CARTOSAT 2A 56 Stepper Motors 56 Kamov helicopters 56 ALQ 56 shipset 56 tilt rotor 56 Wedgetail AEW & 56 Electro Optical EO 56 Electronic Portable ADEPT 56 afterburning 56 PAC Kamra 56 F/A-#F Super Hornet 56 supersonic cruise missiles 56 supersonic combustion 56 Cueing Systems 56 pusher propeller 56 C 5Ms 56 Gripen fighter 56 MQ 5B 56 Russian Mikoyan Gurevich 56 aeroderivative 56 VTUAV 56 MKIs 56 inertial sensing 56 unmanned airborne 56 uncooled infrared 56 stealth frigates 56 MP RTIP radar 56 stealth supercruise 56 X #B Unmanned 56 Sukhoi SuperJet 56 Eurofighter Typhoon aircraft 56 breathing supersonic combustion 56 MKI aircraft 56 Vehicle UAV 56 F 5E Tiger 56 Tactical Engagement 56 Aerial Refueling Boom 56 radar evading fighter 56 KillerBee 56 Vehicle SUGV 56 AE #A# 56 MH #J 56 II D5 Fleet 56 Dassault Systemes CATIA 56 MiG #Ks 56 RQ 4A 56 X #B UCAS 56 stealth warship 56 NH# TTH 56 JDAM ER 56 MultiScan 56 PT6A 56 Medium Combat Aircraft 56 Herti 56 STSS satellites 56 millimeter wave MMW 56 Bulava missiles 56 electro-optical/infrared sensor 56 HC #J 56 inertial navigation system 56 JSTARS aircraft 56 Garmin G# integrated 56 Cueing System 56 AP 3C Orion 56 Aircraft Infrared Countermeasures 56 NH# NFH 56 IL #TD 56 Research Establishment GTRE 56 JASSM ER 56 C #J transport 56 intercontinental ballistic missiles ICBMs 56 MiG #N 56 Presidential Helicopter 56 JTRS approved 56 paveway II 56 terrestrial concentrator 56 Diehl BGT Defence 56 Raytheon Awarded 56 Navy MH #R 56 Block IIF 56 MQ 5B Hunter 56 #XR [002] 56 Communications System DSCS 56 Williams FJ# 56 inlet ducts 56 TDRS satellites 56 Signal Processor 56 ALMDS 56 NetFires 56 turbofan engines 56 Globemaster III airlifters 56 troposcatter 56 F/A-# fighter jets 56 UH #J 56 Vehicles UAVs 56 Wideband Gapfiller Satellite 56 Galileo Avionica 56 Aerospace Industries IAI 56 GATM 56 Predator Reaper 56 French Dassault Rafale 56 Navy Multiband Terminal 56 LANTIRN 56 Apache AH #D 56 RTAF 56 JCREW 56 Chelton Flight Systems 56 Air Force F/A-# Raptor 56 F #SE 56 BMC2 56 JSECST 56 Altitude Area 56 EP 3E 56 datalinks 56 Joint Unmanned Combat 56 strategic airlifters 56 MiG# 56 Falcon #LX [001] 56 Borei class nuclear 56 Lockheed Martin Awarded 56 Technology Demonstrator 56 MMRCA tender 56 AN/PVS-# 56 Wideband Global 56 Tejas Light 56 airborne refueling 56 RSK MiG 56 Hercules C #J 56 GEnx engines 56 microbolometer 56 GQM #A Coyote 56 Boeing #NG aircraft 56 Mobile User Objective 56 Max Viz EVS 56 Eurocopter Dauphin 56 IAI Elta 56 STOVL propulsion system 56 Combat Aircraft 56 AN/AQS-#A 56 Russia NPO Mashinostroyenia 56 Gripen fighters 56 interceptors launchers 56 Re engining Program 55 V STOL 55 ROKAF 55 Vertical Landing 55 Unmanned Aerial Vehicle UAV 55 Denel Dynamics 55 UAVs 55 unpiloted aircraft 55 AEGIS destroyers 55 tank Nag 55 B Small Diameter 55 aircraft Gaenicke 55 EASy 55 combat aircraft MMRCA 55 Gallium Nitride 55 UH #M helicopter 55 AW# helicopter 55 AIM 9M 55 Air Mobility Battlelab 55 Integrated Microwave Assemblies 55 NPO Energomash 55 Eurofighter Typhoon jet 55 PT6A engines 55 DASSAULT AVIATION 55 multimission 55 TACAN 55 Advanced Targeting Pod 55 Picatinny Arsenal NJ 55 BRITE Star 55 BO# 55 electro-optical/infrared sensors 55 #EX [002] 55 Anzac frigates 55 Turbomeca engines 55 POWERSTACK tm MC# 55 Inertial Navigation 55 LOCKHEED MARTIN 55 CF# #E 55 indigenously built 55 Airborne Reconnaissance 55 PW#G engines 55 F/A-# Raptor fighter 55 AWACS 55 MTS# 55 ASTAMIDS 55 Brahmos cruise missile 55 Lockheed Martin Joint Strike 55 unmanned aircrafts 55 Nova NanoSEM 55 N UCAS 55 Puma AE 55 Contractor Logistics 55 MIDS LVT 55 EJ# engine 55 EGBU 55 Falcon III AN/PRC-#G 55 UH 1H 55 STANDARD Missile 55 Predator UAS 55 Boeing P 8A 55 Aerial Scout 55 PW#C 55 STAR ISMS TM 55 TEAM TSAT 55 electro optical EO 55 turbojets 55 Skyguard 55 THAAD interceptors 55 Unmanned Aerial Vehicles UAV 55 Su #SK 55 Kiran Mk II 55 submarines frigates 55 Mirabel Aerospace Centre 55 Unmanned Ground Vehicle 55 Below FBCB2 55 fighter aircraft FGFA 55 MRH# 55 unmanned reconnaissance 55 Eurofighter consortium 55 JDAM kits 55 Joint Strike Fighter JSF 55 Zumwalt destroyers 55 High Altitude Airship 55 MH #S Sierra 55 C #Js [001] 55 Awacs 55 Stealth Fighter 55 uncooled imaging 55 Predator unmanned aircraft 55 unmanned reconnaissance aircraft 55 THAAD Terminal High 55 Inertial Measurement Units 55 Air Force ROKAF 55 MultiComputer 55 ATACMS 55 Bombardier #MP 55 multilateration 55 unmanned reconnaissance drones 55 maritime reconnaissance 55 EMALS 55 Knighthawk helicopters armed 55 Harrier GR9 55 Airbus A# airframe 55 Littoral combat 55 AC #U 55 FBCB2 BFT 55 Night Vision Goggle 55 AE #D# engines 55 ballistic missile Prithvi 55 Helmet Mounted 55 System BMDS 55 High Frequency AEHF 55 AIRSS 55 shipsets 55 BY CHELSEA LY 55 AS# B3 55 F# PW 55 Re engining 55 NAVSTAR GPS 55 Rafale fighters 55 Elmendorf AFB Alaska 55 Super Tucano 55 CH #Fs 55 TOR M1 55 DIRCM systems 55 Joint Cargo Aircraft 55 RNLAF 55 intratheater airlift 55 M# ASV 55 Systems UAS 55 Turbomeca Arriel 55 turbofans 55 JT9D 55 X #A WaveRider 55 contracting activity W#RGZ 55 wheeled armored vehicles 55 Satellite Modems 55 Super Etendard 55 Station CROWS 55 radar evading aircraft 55 Elevated Netted Sensor 55 Advanced Tanker 55 Tactical Laser 55 Northrop Grumman RQ 55 Scout Vertical Takeoff 55 Brahmos supersonic cruise 55 AN/TPQ-# Firefinder 55 DVCS# 55 Phalanx Block 1B 55 Boeing F/A-#E/F 55 hyperspectral imager 55 5TH Generation 55 #-# Intercontinental passenger 55 L5 signal 55 #S tanks 55 Mitsubishi MRJ 55 Airborne Mine Countermeasures 55 electromagnetic railgun 55 Enhanced AN/TPQ-# 55 TUAV 55 air refuellers 55 Havelsan 55 Full Flight Simulators 55 SelfReliant 55 Helibras 55 CTS# [002] 55 Tactical UAV 55 layered Ballistic Missile 55 Harpoon missiles 55 XX# 55 Mirach 55 HAWK helicopter 55 Control Segment OCX 55 HQ# [002] 55 Typhoon jets 55 Smart Nanobattery 55 MUOS satellites 55 S #PMU# 55 Dhruv Advanced 55 stratospheric airship 55 France Dassault Rafale 55 P 8I 55 Gripen fighter planes 55 stealth destroyers 55 Navy P 3C 55 CIWS 55 Eurofighter Typhoon 55 Buk M1 55 electromagnetic flowmeter 55 Eurofighters 55 AGM #R 55 GPS IIIA satellites 55 GPS Block IIF 55 tethered aerostat 55 PLS A1 55 Topol M ICBM 55 Canada PW#C engines 55 TRIDENT II 55 Electro Optical Targeting 54 Galileo constellation 54 QWIP 54 CC #J Hercules 54 2D Hawkeye 54 Light Tactical Helicopter 54 F #CJ 54 Kill Weapon 54 eXaminer SX 54 Talarion 54 Airborne Laser Mine 54 SIDM 54 EDXRF 54 F# STOVL propulsion 54 AJTs 54 Navy Unmanned Combat 54 UNMANNED 54 General Electric CF6 54 S #PMU 54 warships submarines 54 Agni V 54 #SP [002] 54 F #SG 54 JT#D 54 Maritime Surveillance 54 GEO satellites 54 MKI fighter aircraft 54 aerostructure components 54 F/A-# fighter 54 Brahmos missiles 54 Boeing F/A-#E/F Super 54 F #Ds 54 France Dassault Aviation 54 THEL 54 Stratofortress bombers 54 AEHF spacecraft 54 Tunguska M1 54 Glonass K 54 AS# B2 54 handheld spectrum analyzer 54 Advanced Tactical 54 hypersonic scramjet 54 Cruise Missile Defense 54 helicopter airframes 54 #DV 54 Tornado F3 54 General Electric GE# 54 Anti Surface Warfare 54 Stratospheric Observatory 54 Navy P 8A 54 UH #M aircraft 54 TruLink 54 HTS motors 54 ATR# #s 54 Rafale fighter 54 STOVL mode 54 ScanEagle unmanned aircraft 54 ERGM 54 A# FFS 54 CH #D Chinook helicopters 54 laser designator 54 HI INC 54 LADAR 54 NOC NOC 54 SELEX GALILEO 54 optronic 54 Agency Darpa 54 Kamov Ka 54 Heron TP 54 Radiation Guided Missile 54 Common Infrared Countermeasures 54 Selex Galileo 54 Defense THAAD 54 Cougar Mastiff 54 Heron unmanned aerial 54 Precision Approach 54 ATGMs 54 PW#G 54 Mk# [002] 54 Jet Trainers 54 PW#G Engine 54 PW# engine [001] 54 Airborne Warning 54 Spirent GSS# 54 Sikorsky CH #E 54 EH# helicopters 54 Hercules airlifters