Data Quality83%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the military space launch vehicles category.
01 / Overview
N-I (rocket)
Category
Country
Production
1975–1982
Quantity
2,009
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MILITARY SPACE LAUNCH VEHICLES · COLD WAR
63
PERFORMANCE/PRICE
45
UNIT COST (2025 USD)
—
ⓘ 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 TypeSmall-lift launch vehicle
- First Flight1975
- ManufacturerMcDonnell Douglas (design); Mitsubishi Heavy Industries (production)
- Stages2
- StatusRetired
- In ServiceNo
◈Performance7MOD.7
- Payload to LEO1,200 kg
- Payload to GTO360 kg
- Liftoff Thrust1,643.4
- Liftoff Mass131.33 t
- Height34 m
- Diameter2.44 m
- Success Rate6
▣Propulsion5MOD.5
- First-Stage PropellantRP-1/LOX
- First-Stage Engines1
- ReusableNo
- Human-RatedNo
- Total Launches7
03 / History
SERVICE LIFESPANRetired
- 1975Production started
- 1982Production ended
51
years in service
7
years in production
2,009
units produced
0
countries operating
ⓘ 1 countries retired it.
05 / MASS Score
MILITARY SPACE LAUNCH VEHICLES RANKING Military Space Launch Vehicles · Cold War
MASS RANKINGSMASS ↗
209MILITARY SPACE LAUNCH VEHICLES63COLD WAR · MILITARY SPACE LAUNCH VEHICLES420JAPAN · ALL WEAPONS161PERFORMANCE/PRICE · MILITARY SPACE LAUNCH VEHICLES
ⓘ Rankings are within theMilitary Space Launch Vehiclescategory.
📚 Sources