Mapmakers Technology Reference
Hydra 70 Rocket Family
Equipment reference
System architecture
Hydra 70 denotes a family of 2.75-inch (70-mm) rockets using compatible motors and selectable mission payloads. Rocket motors, warheads or alternative payload sections, ignition arrangements and guidance kits are distinct components. Multiple launchers can carry compatible rounds; the launcher name should never be used as though it identified the ammunition itself.
Guided and unguided configurations
Historically, 70-mm rockets have served as unguided area or point-effect weapons. Guidance kits such as APKWS add a precision-guidance capability to suitable rounds while using existing motor and payload architecture. Different payloads have different effects and certification requirements, and the presence of an APKWS kit does not make every Hydra motor or warhead combination interchangeable without qualification.
Fictional derivative
In the Mapmakers S2S-SMS a 70-mm rocket is described with an APKWS-guided inert tungsten mass substituted for a conventional explosive payload, calibrated in the fictional design to preserve the specified mass properties. The pod’s parachute delivery and this kinetic configuration are fictional future integration decisions, not claims that an identical real-world naval system is fielded.
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