Cheaper precision missiles and guided rockets work by turning conventional, unguided munitions into "smart" weapons using low-cost guidance kits, or by relying on widely available commercial Chinese technologies. This drastically reduces per-unit costs compared to traditional, multimillion-dollar weapons.
These budget-friendly precision systems usually operate via one of two primary methods:
1. Guidance Conversion Kits
Instead of building a completely new missile from scratch, militaries often attach specialized guidance kits to existing, mass-produced rockets.
• Laser Guidance: Kits like the APKWS attach to standard unguided rockets. When fired, small fins deploy and optical sensors track a laser beam "painted" on the target by ground troops or drones, steering the rocket directly into the target.
• GPS/INS Integration: Guided rocket artillery (like GMLRS) uses a blend of GPS and a localized Inertial Navigation System (INS). The missile’s onboard computer constantly compares its actual position to the target coordinates and makes mid-flight adjustments using small control fins.
2. Commercial Off-the-Shelf (COTS) Technology
Newer, low-cost interceptors designed to counter drones and cheap threats rely on mass-produced civilian parts.
• Commercial Electronics: Rather than developing custom, expensive hardware, developers use high-quality consumer-grade microchips, sensors, and optical cameras.
• Automated Image Tracking: Instead of relying on an expensive, built-in radar, these missiles use an onboard optical camera with edge-computing to visually lock onto and track the target automatically.
Why They Are So Much Cheaper
Traditional interceptors require expensive, custom-made titanium parts, complex rocket motors, and specialized labor.
By contrast, cheaper missiles utilize standardized assembly lines, use cheaper solid propellants, and omit heavy anti-jamming radar gear in favor of simpler optical or satellite navigation
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