Statements (16)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:satellite
|
gptkbp:alsoKnownAs |
gptkb:Chalet_satellites
|
gptkbp:countryOfOrigin |
gptkb:United_States
|
https://www.w3.org/2000/01/rdf-schema#label |
Vortex satellites
|
gptkbp:launchDate |
1978-1989
|
gptkbp:manufacturer |
gptkb:TRW
|
gptkbp:numberOfSatellites |
at least 6
|
gptkbp:operatedBy |
gptkb:National_Reconnaissance_Office
gptkb:United_States |
gptkbp:orbitType |
geosynchronous orbit
|
gptkbp:precededBy |
gptkb:Canyon_satellites
|
gptkbp:purpose |
electronic intelligence collection
|
gptkbp:replacedBy |
gptkb:Mercury_satellites
|
gptkbp:usedFor |
signals intelligence
|
gptkbp:bfsParent |
gptkb:Canyon_satellites
|
gptkbp:bfsLayer |
6
|