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AADVANCEDDVANCEDEHFEHFASSURED,PROTECTED,SURVIVABLECOMMUNICATIONSADVANCEDEHFADVANCEDEHF:Assured,Protected,SurvivableCommunicationsMediumResolutionCoverageAntenna(6)AdvancedEHF(AEHF),thenation'snextHighResolutiongenerationmilitarystrategicandtacticalThesystemiscompatiblewithexistingCoverageAntenna(2)relaysystem,willdeliversurvivable,protectedterminalsandwillsupportfutureterminalscommunicationstoU.S.forcesandselectedastheyaredeployed.alliesworldwide.Thesystemprovidesthejoint,interoperable,assuredconnectivityforwarfightersinoperationsinalllevelsofTheAEHFsystemisintegrated,testedandconflict–acapabilitynotavailablethroughlaunchedbyLockheedMartin;Northropotherplannedmilitarycommunicationnetworks.GrummanSpaceTechnologybuildsandCrosslinkAEHFprovidesmuchgreatercapacityandmoreintegratestheAEHFpayload–processors,Antenna(2)flexiblecoveragethanitspredecessor,Milstar,antennas,radiofrequencysubsystemsandwhileassuringoperationalcontinuitythroughcrosslinks.ThepayloaddeliversthenewReceivecompatibilitywiththeMilstarconstellation.AEHFcommunicationservices,providingdataratesupto8.192Mbpsperuser,MilstarLowPhasedArrayAntennaDataRate(LDR)services(75-2400bitsperTransmitAEHFdeliverstheflexibleconnectivity-on-second),andMilstarMediumDataRatePhasedArraydemandneededtoachieve21stcentury(MDR)services(4.8Kbps-1.544Mbps).Antenna(2)LowGainobjectives–swift,decisiveoutcomesbasedEarthCoverageoninformationdominance.On-orbitprocessingAntennaprovidestheflexibilityneededtorapidlyestablishTheAEHFantennasuiteprovidesseveralandreconfigurenetworkstomeetdynamiccoveragesthataretailoredtomeetuniqueMilstar(LDR&MDR)AdvancedEHFcommandandcontrolrequirements.warfightingrequirements.LowgainearthElectronicallysteerableantennabeamsandcoverageantennasdelivercommunicationsFrequencyEHF(44GHz)uplinkEHF(44GHz)uplinkflexiblechannel-to-beammappingallowstheanywherewithinthesatellite'sfootprint.TheSHF(20GHz)downlinkSHF(20GHz)downlinkdeliveryofcapacitywhenit'sneeded,phasedarrayantennaprovidessup
