|
gptkbp:instance_of
|
gptkb:military_defense
|
|
gptkbp:associated_technologies
|
surveillance systems
|
|
gptkbp:associated_with
|
nuclear deterrence
|
|
gptkbp:collaboration
|
U. S.-Canada relations
|
|
gptkbp:combat_history
|
Cold War military strategies
|
|
gptkbp:communication_system
|
secure lines
|
|
gptkbp:construction_period
|
1954-1957
|
|
gptkbp:cultural_references
|
Cold War literature
|
|
gptkbp:decommissioned
|
gptkb:1985
|
|
gptkbp:environmental_impact
|
Arctic ecosystem
|
|
gptkbp:established
|
1950s
|
|
gptkbp:funding
|
gptkb:U._S._government
|
|
gptkbp:geographical_coverage
|
gptkb:region
|
|
gptkbp:historical_context
|
Cold War politics
post-World War II tensions
|
|
gptkbp:historical_documentation
|
government reports
|
|
gptkbp:historical_impact
|
defense policy development
|
|
gptkbp:historical_significance
|
Cold War era defense strategy
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Distant Early Warning Line
|
|
gptkbp:impact
|
North American defense strategy
|
|
gptkbp:infrastructure_type
|
radar stations
|
|
gptkbp:initial_construction
|
gptkb:1954
|
|
gptkbp:initiated_by
|
United States and Canada
|
|
gptkbp:intelligence
|
aerial reconnaissance
|
|
gptkbp:international_relations
|
U. S.-Canada military cooperation
|
|
gptkbp:legacy
|
influenced future defense systems
|
|
gptkbp:legacy_influence
|
modern defense strategies
|
|
gptkbp:legacy_systems
|
modern radar networks
|
|
gptkbp:length
|
3,000 miles
|
|
gptkbp:location
|
Canada and Alaska
|
|
gptkbp:military_branch
|
gptkb:Royal_Canadian_Air_Force
|
|
gptkbp:military_exercises
|
joint operations
|
|
gptkbp:military_technology
|
early warning radar
|
|
gptkbp:number_of_employees
|
thousands
|
|
gptkbp:operated_by
|
gptkb:United_States_Air_Force
|
|
gptkbp:operational_challenges
|
harsh weather conditions
|
|
gptkbp:operational_status
|
decommissioned
|
|
gptkbp:operational_use
|
gptkb:NORAD
|
|
gptkbp:partnerships
|
NATO allies
|
|
gptkbp:primary_threat
|
Soviet bombers
|
|
gptkbp:public_perception
|
strategic necessity
|
|
gptkbp:purpose
|
early warning of incoming aerial attacks
|
|
gptkbp:related_to
|
gptkb:Cold_War
|
|
gptkbp:replaced_by
|
PAVE PAWS
|
|
gptkbp:research_and_development
|
defense technologies
|
|
gptkbp:result
|
gptkb:1985
|
|
gptkbp:significance
|
strategic defense
|
|
gptkbp:stations
|
gptkb:63
|
|
gptkbp:strategic_evaluation
|
defense assessments
|
|
gptkbp:strategic_importance
|
monitoring Soviet activity
|
|
gptkbp:successor
|
gptkb:North_American_Aerospace_Defense_Command_(NORAD)
|
|
gptkbp:training_programs
|
military personnel training
|
|
gptkbp:uses_technology
|
gptkb:radar_system
|
|
gptkbp:bfsParent
|
gptkb:Pinetree_Line
gptkb:DEW_Line
|
|
gptkbp:bfsLayer
|
6
|