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GPS Block III
Photo: U.S. Air Force · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
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GPSBlockIII

GPS (NAVSTAR) · United States · 2013
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GPSBlockIII

GPS Block III
GPS Block III Photo: U.S. Air Force · Wikimedia Commons · Public domain Use of this image does not imply endorsement by the U.S. Department of Defense (DoD).
MASS (Military Archive Scoring System) 94
* Absolute score — assessed within category · no era adjustment
Position Accuracy
95
Global Coverage
100
Signal Robustness
90
Anti-Jam (M-Code)
98
Availability / Integrity
92
Constellation Size
85
Longevity
90
Resilience
88
Technology
97
Strategic Value
100
Methodology ↗ → GPS (NAVSTAR) ranking
Origin United States
ManufacturerLockheed Martin Space
CategoryGPS (NAVSTAR)
In service2013–2026
Operators1 countries
Quantity10
⬇ Overview
⚙ Specs
⊕ History
⊕ Operators
⚖ MASS Score
📚 Sources
Data Quality82%
MASS(Military Archive Scoring System)
⊟ GPS (NAVSTAR)ranking ↗methodology ↗
94
GPS (NAVSTAR) MASS Rating
2/8
All-Time
GPS (NAVSTAR) · 10 axes scored
Position Accuracy
95
Global Coverage
100
Signal Robustness
90
Anti-Jam (M-Code)
98
Availability / Integrity
92
Constellation Size
85
Longevity
90
Resilience
88
Technology
97
Strategic Value
100
ⓘ Regardless of era, the same scoring system applies to all units in the gps (navstar) category.
01 / Overview
GPS Block III
Category
GPS (NAVSTAR)
Country
United States
Prime contractor
Lockheed Martin Space
Production
2013–2026
Quantity
10
Operators
1 countries
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
GPS (NAVSTAR)
—
PERFORMANCE/PRICE
80
UNIT COST (2025 USD)
—
MASS SCORE ↗
94
gps (navstar) category
ⓘ Performance/Price and MASS score are computed across all units in the gps (navstar) category, regardless of era.
02 / Specs & Design
◎General2MOD.2
  • OperatorUS Space Force
  • ManufacturerLockheed Martin
◈Platform1MOD.1
  • Satellite BusLockheed Martin A2100M
03 / History
SERVICE LIFESPANStill in Service
  1. 2013Production started
  2. 2026Production ended
13
years in service
13
years in production
10
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
United StatesACTIVE
GPS (NAVSTAR) United States Lockheed Martin Space
📚 Sources
📖 ENCYCLOPEDIA Browse the GPS (NAVSTAR) entry →