|
gptkbp:instanceOf
|
gptkb:satellite
|
|
gptkbp:abilities
|
detect objects as small as a marble
|
|
gptkbp:activeYearsStart
|
2020
|
|
gptkbp:announced
|
2009
|
|
gptkbp:cost
|
$914 million
|
|
gptkbp:country
|
gptkb:United_States
|
|
gptkbp:detects
|
satellites
space debris
unidentified objects
|
|
gptkbp:enables
|
satellite tracking
collision avoidance
debris monitoring
launch support
space event detection
|
|
gptkbp:firstDetection
|
March 2020
|
|
gptkbp:frequency
|
gptkb:S-band
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Space Fence
|
|
gptkbp:location
|
gptkb:Kwajalein_Atoll
|
|
gptkbp:mainContractor
|
gptkb:Lockheed_Martin
|
|
gptkbp:monitors
|
gptkb:Low_Earth_Orbit
gptkb:Medium_Earth_Orbit
gptkb:Geosynchronous_Orbit
|
|
gptkbp:operatedBy
|
gptkb:United_States_Space_Force
|
|
gptkbp:ownedBy
|
gptkb:United_States_Department_of_Defense
|
|
gptkbp:provides
|
space situational awareness
|
|
gptkbp:purpose
|
tracking satellites
tracking space debris
|
|
gptkbp:replacedBy
|
gptkb:Air_Force_Space_Surveillance_System
|
|
gptkbp:status
|
operational
|
|
gptkbp:technology
|
S-band radar
|
|
gptkbp:trackedBy
|
over 200,000 objects
|
|
gptkbp:usedFor
|
gptkb:NASA
gptkb:18th_Space_Defense_Squadron
gptkb:USSTRATCOM
international partners
|
|
gptkbp:website
|
gptkb:Kwajalein_Island,_Marshall_Islands
|
|
gptkbp:bfsParent
|
gptkb:Lockheed_Martin
gptkb:Space_Surveillance_Network
|
|
gptkbp:bfsLayer
|
5
|