9K31 Strela-1

🇷🇺Russian Federation•🇨🇳China
KBP
1968 – Present
Overview
9K31 Strela-1
The 9K31 Strela-1 (SA-9 Gaskin) is a Soviet mobile short-range SAM system using passive infrared homing, capable of engaging targets at ranges up to 4.2km and altitudes up to 3.5km at Mach 1.8.
Specifications

General

MobileYes
Guidanceinfrared homing
Max Range Km4.2 km
Max Altitude Km3.5 km
Missile Speed Mach1.8 Mach
Missiles Per Launcher4
Research Notes

Early Mobile IR SAM

Strela-1 put short-range infrared missiles on an armored reconnaissance vehicle.

The 9K31 Strela-1, NATO SA-9 Gaskin, was developed to provide short-range air defense for Soviet ground forces. It bridged the gap between shoulder-fired missiles and heavier radar-guided SAM systems by mounting ready missiles on a BRDM-2 armored vehicle. The system was accepted in the late 1960s and became an early mobile low-altitude SAM.

BRDM-2 Missile Carrier

A small turret launcher and passive infrared missiles gave the vehicle mobility and concealment.

Strela-1 used a BRDM-2 chassis carrying launch rails for 9M31 family missiles. The system relied on visual acquisition and infrared homing rather than a large radar, which reduced emissions but limited detection range and all-weather capability. Its mobility allowed air-defense coverage to move with forward units.

Predecessor to Strela-10

Strela-1 served widely before tracked Strela-10 systems took over many roles.

The SA-9 saw service with Soviet, Warsaw Pact, and export users. It was later supplemented and often replaced by the tracked Strela-10, which offered better mobility and improved missiles. Strela-1 remains useful historically because it shows how early infrared missile technology moved from shoulder launchers into vehicle-mounted battlefield air defense.

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