{
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  "dek": "A Chinese research team has proposed four types of equipment that could rapidly switch between wartime environments, including operating deep under water for long periods, as multi-domain combat is set to develop in the coming decades. The “heterogeneous” equipment is designed to exceed conventional armoured vehicles b",
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      "title": "China is working on a submarine tank that can operate underwater for 2 hours",
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  "limitations": [
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    "The evidence-strength label describes source structure, not truth, intent, impact, or causation.",
    "Declared instrument links are topical pointers until a separate scan or economic observation is joined by time and method.",
    "Title-similarity clustering can miss differently worded or cross-language accounts and can join closely worded updates.",
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      "attribution": "South China Morning Post — China",
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