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DeltaE

Military Space Launch Vehicles · United States · 1965
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DeltaE

Delta E
Delta E Photo: Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Payload Capacity
45
Reliability
50
Cost-Efficiency
30
Responsiveness / Cadence
20
Reusability
0
Orbit Versatility
35
Precision
50
Technology
40
Strategic Value
60
Human-Rating
0
Origin United States
ManufacturerDouglas
CategoryMilitary Space Launch Vehicles
EraCold War
In service1965–1971
Quantity23
Data Quality82%
36
Military Space Launch Vehicles MASS Rating
49/96
Cold War
164/296
All-Time
Military Space Launch Vehicles · 10 axes scored
Payload Capacity
45
Reliability
50
Cost-Efficiency
30
Responsiveness / Cadence
20
Reusability
0
Orbit Versatility
35
Precision
50
Technology
40
Strategic Value
60
Human-Rating
0
ⓘ Regardless of era, the same scoring system applies to all units in the military space launch vehicles category.
01 / Overview
Delta E
Prime contractor
Production
1965–1971
Quantity
23
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MILITARY SPACE LAUNCH VEHICLES · COLD WAR
49
PERFORMANCE/PRICE
55
UNIT COST (2025 USD)
—
36
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 TypeExpendable launch system
  • First Flight1965
  • ManufacturerDouglas Aircraft Company
  • Stages2
  • StatusRetired
  • In ServiceNo
◈Performance2MOD.2
  • Payload to LEO1,450 kg
  • Success Rate23
▣Propulsion5MOD.5
03 / History
SERVICE LIFESPANRetired
  1. 1965Production started
  2. 1971Production ended
61
years in service
6
years in production
23
units produced
04 / Variants
▚ WEAPON FAMILY
Delta 1960
Delta E 1965
// SIBLING VARIANTS
Delta 3000 1975
Delta 4000 1989
// DERIVATIVES
Delta G 1966
📚 Sources
📖 ENCYCLOPEDIA Browse the Military Space Launch Vehicles entry →