|
gptkbp:instanceOf
|
military communications satellite
|
|
gptkbp:countryOfOrigin
|
gptkb:United_States
|
|
gptkbp:covers
|
global
|
|
gptkbp:encryption
|
end-to-end encryption
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Milstar satellites
|
|
gptkbp:jammingResistance
|
high
|
|
gptkbp:latestReleaseVersion
|
2003-04-08
|
|
gptkbp:launchDate
|
1994-02-07
|
|
gptkbp:manufacturer
|
gptkb:Lockheed_Martin
gptkb:TRW
|
|
gptkbp:numberBuilt
|
6
|
|
gptkbp:numberLaunched
|
6
|
|
gptkbp:numberOperational
|
5
|
|
gptkbp:operator
|
gptkb:United_States_Air_Force
|
|
gptkbp:orbitType
|
geosynchronous
|
|
gptkbp:payload
|
crosslink communications
nuclear survivability
|
|
gptkbp:programCost
|
~$20 billion
|
|
gptkbp:programStart
|
1982
|
|
gptkbp:purpose
|
secure military communications
|
|
gptkbp:replacedBy
|
gptkb:Advanced_Extremely_High_Frequency_(AEHF)_satellites
|
|
gptkbp:status
|
operational
partially replaced
|
|
gptkbp:supportsProtocol
|
gptkb:EHF
SHF
|
|
gptkbp:targetUser
|
gptkb:U.S._Department_of_Defense
|
|
gptkbp:bfsParent
|
gptkb:Titan_IV_rocket
gptkb:AEHF_satellites
gptkb:Advanced_Extremely_High_Frequency_(AEHF)_satellites
|
|
gptkbp:bfsLayer
|
6
|