KS-1

🇨🇳China
1999 – Present
Overview
KS-1
Chinese medium-range surface-to-air missile system using semi-active radar and radio-command guidance, with a range of 50km and altitude ceiling of 25km; mobile configuration.
Specifications

General

MobileYes
GuidanceSemi-active radar homing/radio-command guidance
Max Range Km50 km
Max Altitude Km25 km
Missile Speed Mach3.5 Mach
Missiles Per Launcher2
Research Notes

Chinese medium-range SAM family

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KS-1 is a Chinese medium-range surface-to-air missile family developed as an indigenous air-defense system.

KS-1, also known as Kaishan-1, is a Chinese medium-range surface-to-air missile family. GlobalSecurity describes KS-1 and notes the KS-1A export development path, while Army Recognition covers the KS-1A system as a medium-range air-defense missile system. The system belongs in the medium-range SAM category.

Radar-guided air-defense battery

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The system combines missile launchers, radar, and command elements to engage aircraft at medium range.

KS-1-type systems are battery weapons rather than standalone missiles. Their effectiveness depends on search radar, engagement radar, launchers, command links, and operator training. Compared with short-range MANPADS, KS-1 provides more reach and defended-area coverage, but it also needs more infrastructure and emits radar signals that can be targeted.

Exportable layered air-defense component

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KS-1 matters because it shows China's move into exportable medium-range SAM systems.

The family is important less as a single missile and more as a step in China's air-defense industrial development. It offered partner states a Chinese alternative to older Soviet or Western systems. Its operational value depends on exact variant, radar performance, electronic-countermeasure resistance, and integration with other air-defense layers.

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