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Vigilant
Photo: MKFI · Wikimedia Commons · Public domain
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Vigilant

Anti-Tank Guided Missiles (ATGM) · United Kingdom · 1960
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Vigilant

Vigilant
Vigilant Photo: MKFI · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Penetration
40
Range
30
Guidance / Accuracy
55
Fire-and-Forget
0
Top-Attack Capability
0
Portability
80
Counter-Measure Resistance
30
Reliability
70
Technology
45
Cost-Effectiveness
85
Origin United Kingdom
ManufacturerVickers-Armstrongs
CategoryAnti-Tank Guided Missiles (ATGM)
EraEarly Cold War
In service1960
Operators8 countries
Quantity18,000
Data Quality88%
39
Anti-Tank Guided Missiles (ATGM) MASS Rating
2/7
Early Cold War
74/86
All-Time
Anti-Tank Guided Missiles (ATGM) · 10 axes scored
Penetration
40
Range
30
Guidance / Accuracy
55
Fire-and-Forget
0
Top-Attack Capability
0
Portability
80
Counter-Measure Resistance
30
Reliability
70
Technology
45
Cost-Effectiveness
85
ⓘ Regardless of era, the same scoring system applies to all units in the anti-tank guided missiles (atgm) category.
01 / Overview
Vigilant
Prime contractor
Production
1960–
Quantity
18,000
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
ANTI-TANK GUIDED MISSILES (ATGM) · EARLY COLD WAR
2
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
39
anti-tank guided missiles (atgm) category
ⓘ Performance/Price and MASS score are computed across all units in the anti-tank guided missiles (atgm) category, regardless of era.
02 / Specs & Design
◎General7MOD.7
  • Missile Typeanti-tank missile
  • Service Entry Year1960
  • Length1.067 m
  • Diameter120 mm
  • Wingspan / Fin Span270 mm
  • Launch Weight14 kg
  • In ServiceYes
▣Propulsion1MOD.1
  • Propulsion Typesolid fuel rocket
◇Performance3MOD.3
  • Minimum Range0.2 km
  • Maximum Range1.375 km
  • Top Speed155.6 m/s
◆Warhead2MOD.2
  • Warhead TypeHEAT
  • Warhead Weight6 kg
▤Launch Platform5MOD.5
⬢Production4MOD.4
  • Total Production18,000
  • Operators6
  • Variants0
  • Production Start1,961 year
▲Warhead Detail1MOD.1
  • Detonation Mechanism / Fuzeimpact
03 / History
SERVICE LIFESPANStill in Service
  1. 1960Production started
  2. 1963Entered service
66
years in service
18,000
units produced
8
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
05 / MASS Score
ANTI-TANK GUIDED MISSILES (ATGM) RANKING Anti-Tank Guided Missiles (ATGM) · Early Cold War
📖 TERMS ON THIS PAGE2terms
Launched from a ground-based platform, such as a vehicle or tripod, rather than an aircraft or other airborne system.
Missile guidance system where commands are transmitted via a physical wire link between the launch point and the missile during flight.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Anti-Tank Guided Missiles (ATGM) entry →