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Pegasus
Photo: NASA/Lori Losey · Wikimedia Commons · Public domain
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Pegasus

Military Space Launch Vehicles · United States · 1987
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Pegasus

Pegasus
Pegasus Photo: NASA/Lori Losey · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Payload Capacity
30
Reliability
45
Cost-Efficiency
50
Responsiveness / Cadence
40
Reusability
10
Orbit Versatility
35
Precision
45
Technology
50
Strategic Value
30
Human-Rating
0
Origin United States
ManufacturerNorthrop Grumman Space Systems, Northrop Grumman Innovation Systems
CategoryMilitary Space Launch Vehicles
EraCold War
In service1987
Operators1 countries
Data Quality83%
34
Military Space Launch Vehicles MASS Rating
52/96
Cold War
174/296
All-Time
Military Space Launch Vehicles · 10 axes scored
Payload Capacity
30
Reliability
45
Cost-Efficiency
50
Responsiveness / Cadence
40
Reusability
10
Orbit Versatility
35
Precision
45
Technology
50
Strategic Value
30
Human-Rating
0
ⓘ Regardless of era, the same scoring system applies to all units in the military space launch vehicles category.
01 / Overview
Pegasus
Production
1987–
Unit Price (current)
$52.5M↗ 31% inflation · 2017→2025
Original Price
$40.0M (2017)
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MILITARY SPACE LAUNCH VEHICLES · COLD WAR
52
PERFORMANCE/PRICE
45
UNIT COST (2025 USD)
$52.5M
Original: $40.0M (2017)
Inflation: +%31
34
military space launch vehicles category
ⓘ Performance/Price and MASS score are computed across all units in the military space launch vehicles category, regardless of era.
02 / Specs & Design
◎General6MOD.6
  • Vehicle Typeair-launched rocket
  • First Flight1990
  • ManufacturerNorthrop Grumman
  • Stages3
  • StatusOperational
  • In ServiceYes
◈Performance6MOD.6
  • Payload to LEO450 kg
  • Liftoff Thrust500
  • Liftoff Mass18.5 t
  • Height16.9 m
  • Diameter1.28 m
  • Success Rate40
▣Propulsion5MOD.5
  • First-Stage PropellantHTPB / Aluminum
  • First-Stage Engines1
  • ReusableNo
  • Human-RatedNo
  • Total Launches45
◇Cost1MOD.1
  • Cost per Launch40,000,000 USD
03 / History
SERVICE LIFESPANStill in Service
  1. 1987Production started
39
years in service
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
📚 Sources
📖 ENCYCLOPEDIA Browse the Military Space Launch Vehicles entry →