S-125 Missile System

Manufacturer: Almaz-Antey Corporation
Category: Missiles & Precision Weapons
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Guidance System Radio Command Guidance (RF CLOS)
Maximum Speed Mach 3.5
Launch Compatibility Fixed 2/4-rail ground turrets or 6x6 truck mobile platforms
Warhead Technology High-Explosive Fragmentation (Frag-HE) with Proximity Fuse

Full Specifications

1. General Information

Name / Designation	S-125 Neva / Pechora (NATO: SA-3 Goa)
Type / Role	Short-to-Medium Range Surface-to-Air Missile System
Country of Origin	Soviet Union
Manufacturer	Almaz Central Design Bureau (JSC Defense Systems for Pechora-M)
Service Entry / Year Introduced	1961
Operational Status	Active (Mainly via modernized variants)

2. Performance & Range

Range	3.5 km to 35 km (Variant dependent)
Speed	Mach 3.0 to Mach 3.5
Ceiling / Altitude Limit	20 m minimum to 18,000 m maximum
Accuracy (CEP)	Highly dependent on radar variant and command link quality
Warhead Type	High Explosive Fragmentation (Frag-HE)

3. Guidance & Targeting

Guidance System	Radio Command to Line-of-Sight (CLOS)
Targeting Mode	Command-guided (Manual / Automatic tracking backup)
Launch Platform Compatibility	Ground Launcher (Stationary 5P73 or mobile wheeled chassis)
Seeker Type	None (Missile utilizes onboard command antenna receivers)

4. Physical Characteristics

Length	6.09 m (V-601 / 5V27)
Diameter	0.375 m (Main body)
Wingspan	2.2 m
Launch Weight	953 kg
Propulsion	Two-stage Solid-fuel Rocket (Booster and Sustainer)

5. Warhead & Payload

Warhead Weight	60 kg to 72 kg
Explosive Type	High-Explosive Fragmentation (4,500 pre-formed fragments)
Detonation Mechanism	Radio Proximity Fuse / Impact Backup
Payload Options	Conventional Frag-HE

6. Operational Use & Capabilities

Operational Range Type	Short-to-Medium Range
Deployment Platform	Ground Static or Mobile Trucks
Target Types	Fighter Jets, Bomber Aircraft, Cruise Missiles, Helicopters
Combat Proven	Yes (Yom Kippur War, Gulf War, Kosovo War, Ukraine)
Users / Operators	Russia, Ukraine, India, Egypt, Syria, Vietnam, and others

Our Rating

The overall rating is based on review by our experts

Technology 8 / 10
Performance 8 / 10
Maintenance Efficiency 8 / 10
Range & Endurance 8 / 10

PROS

Low-Altitude Capability: Excellent at intercepting low-flying targets that avoid high-altitude air defense systems.
Solid Propellant Reliability: Solid-fuel motors eliminate dangerous liquid-fuel handling, speeding up maintenance cycles.
Proven Combat Record: Highly effective combat-tested record, including the historic downing of a stealth combat jet.
Cost-Effective Modernization: Legacy systems are easily upgraded with modern digital receivers and software-defined radars.
Electronic Countermeasures Resistance: More resilient against electronic jamming and radar countermeasures than its predecessors.

CONS

Single-Target Track Limitation: Legacy SNR-125 radar cabins can only engage one target at a time per radar station.
Semi-Mobile Restrictions: Initial baseline configurations require stationary emplacements or lengthy setup and breakdown times.
Obsolete Analogue Base: Base models rely on outdated vacuum tubes and transistors, requiring specialized components if un-upgraded.
Limited Engagement Range: Short operational range compared to newer regional air defense systems like the S-300 or Patriot.
Radio Command Vulnerability: Command-guided architecture requires continuous radar illumination, exposing the radar site to anti-radiation missiles.

S-125 Neva/Pechora Surface-to-Air Missile System

The S-125 Neva/Pechora (NATO reporting name: SA-3 Goa) is a historic, Soviet-designed surface-to-air missile (SAM) system developed to supplement the high-altitude S-75 Dvina. Designed by the Almaz Central Design Bureau, it serves as a shorter-range, low-to-medium altitude air defense solution optimized to counter maneuverable combat aircraft, cruise missiles, and helicopters. While legacy platforms relied entirely on fixed or semi-mobile configurations, modernized export variants like the Pechora-2M are manufactured by firms such as JSC Defense Systems and feature truck-mounted, highly mobile launchers.

Range, Speed, and Cost

The performance metrics of the S-125 vary depending on the missile variant used. The standard V-601 (5V27) missile achieves a top speed between Mach 3.0 and Mach 3.5. It delivers an operational engagement range up to 35 kilometers (approximately 22 miles) and an interception altitude limit of 18,000 meters. On the secondary market or via modern defense modernization contracts, an upgraded battery upgrade package typically commands a cost of 15 to 20 million USD, providing an affordable alternative to procuring entirely new, modern air defense networks.

Technology and Armament

The S-125 incorporates a two-stage solid-fuel rocket design consisting of a high-power booster stage and a solid-propellant sustainer motor. Its core armament carries a 60 to 70-kilogram fragmentation high-explosive (Frag-HE) warhead designed to shatter targets via radio-frequency command-to-line-of-sight (CLOS) radar guidance and a radio proximity fuse mechanism. Fire control relies on the SNR-125 “Low Blow” tracking and guidance radar tracking system alongside target acquisition units like the P-15 “Flat Face” radar, which offers robust electronics protection against radar counter-measures. Though older, the system remains famous for shooting down a U.S. F-117 Nighthawk stealth fighter over Yugoslavia in 1999, proving its lethality when integrated with skilled operators.

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