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Milstar

Milstar (Military Strategic and Tactical Relay) is a constellation of military communications satellites in geosynchronous orbit, which are operated by the United States Space Force, and provide secure and jam-resistant worldwide communications to meet the requirements of the Armed Forces of the United States. Six spacecraft were launched between 1994…

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Characters, History & Measurement

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Key facts & relationships

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Applications
Military communications
Built
6
Bus
Milstar Block I Milstar Block II
Country of origin
United States
Design life
10 years
Last launch
USA-169, 2003-04-08

Topics to explore

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Overview

History

Characteristics

Advanced semantic analysis

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Map overview Semantic statistics

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Milstar

Nodes40
Edges39
Triples68
Avg. degree1.95
Density0.05
Components1

How this topic connects Entity context

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Milstar

Top relations

related to history · 32
Milstar → April, Block, Block II, Both Block, Centaur, DFS, DFS-1, DFS-2, DFS-3m, DFS-4, Due, EHF, Extremely High Frequency, February, It, Its, January, LDR, Low Data Rate, March
related to Characteristics · 17
Milstar → Block II, Both Block, Cape Canaveral Air Force, Centaur, Each, Launches, Lockheed Martin Missiles, Mbit/s, Six, Space Corporation, Space Launch Complex, Station, The, They, Titan IV, United States, US
related to External links · 4
Milstar → Advanced Extremely High Frequency, AEHF, Air Force, MILSTARMILSTAR
Applications · 1
Milstar → Military communications
Built · 1
Milstar → 6
Bus · 1
Milstar → Milstar Block I Milstar Block II
Country of origin · 1
Milstar → United States
Design life · 1
Milstar → 10 years
Last launch · 1
Milstar → USA-169, 2003-04-08
Launch mass · 1
Milstar → 4,500 kilograms (9,900 lb)

Important terminology Word statistics

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Important terminology

satellite space communications spacecraft satellites block force launched orbit military operational payload launch high frequency extremely control provide six geosynchronous

Entity relationships Subject–Predicate–Object triples

Extracted RDF-like relationships with confidence and source. The table includes structured facts and lower-confidence contextual relations.
SubjectPredicateObjectConfidenceSrc
MilstarApplicationsMilitary communications1.00infobox
MilstarBuilt61.00infobox
MilstarBusMilstar Block I Milstar Block II1.00infobox
MilstarCountry of originUnited States1.00infobox
MilstarDesign life10 years1.00infobox
MilstarLast launchUSA-169, 2003-04-081.00infobox
MilstarLaunch mass4,500 kilograms (9,900 lb)1.00infobox
MilstarLaunched61.00infobox
MilstarLost11.00infobox
MilstarMaiden launchUSA-99, 1994-02-071.00infobox
MilstarManufacturerLockheed Martin (prime, formerly Lockheed Missiles and Space) Northrop Grumman (formerly TRW) Boeing (formerly Hughes)1.00infobox
MilstarOperational5[citation needed]1.00infobox
MilstarOperatorU.S. Space Force1.00infobox
MilstarRegimeGeosynchronous1.00infobox
MilstarStatusOut of production Active1.00infobox

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