"go dark" meaning in English

{
  "forms": [
    {
      "form": "goes dark",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "going dark",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "went dark",
      "tags": [
        "past"
      ]
    },
    {
      "form": "gone dark",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "go<goes,,went,gone> dark"
      },
      "expansion": "go dark (third-person singular simple present goes dark, present participle going dark, simple past went dark, past participle gone dark)",
      "name": "en-verb"
    },
    {
      "args": {
        "1": "en",
        "2": "often",
        "3": "military"
      },
      "expansion": "(often military)",
      "name": "tlb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "_dis": "91 9",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "79 21",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "91 9",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "47 53",
          "kind": "topical",
          "langcode": "en",
          "name": "Military",
          "orig": "en:Military",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "To cease operations, to close."
      ],
      "id": "en-go_dark-en-verb-xAeYZdAs",
      "tags": [
        "often"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    },
    {
      "categories": [
        {
          "_dis": "47 53",
          "kind": "topical",
          "langcode": "en",
          "name": "Military",
          "orig": "en:Military",
          "parents": [
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2009, Vince Flynn, Pursuit of Honor: A Novel, Simon and Schuster, page 204:",
          "text": "“But this third cell,” Butler said, “they went dark. No one had heard from them in months. That is, until the bombs started going off last week.”",
          "type": "quote"
        },
        {
          "ref": "2012, BioWare, Mass Effect 3 (Science Fiction), Redwood City: Electronic Arts, →OCLC, PC, scene: The Fall of Khar'shan Codex entry:",
          "text": "More systems have gone dark as their comm buoys were destroyed, and millions more batarians, trapped on their planets, sit waiting for the Reapers.",
          "type": "quote"
        }
      ],
      "glosses": [
        "To cease communications."
      ],
      "id": "en-go_dark-en-verb-VkHh24Xa",
      "tags": [
        "often"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "go dark"
}

{
  "categories": [
    "English entries with incorrect language header",
    "English lemmas",
    "English multiword terms",
    "English verbs",
    "Pages with 1 entry",
    "Pages with entries",
    "en:Military"
  ],
  "forms": [
    {
      "form": "goes dark",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "going dark",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "went dark",
      "tags": [
        "past"
      ]
    },
    {
      "form": "gone dark",
      "tags": [
        "participle",
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "go<goes,,went,gone> dark"
      },
      "expansion": "go dark (third-person singular simple present goes dark, present participle going dark, simple past went dark, past participle gone dark)",
      "name": "en-verb"
    },
    {
      "args": {
        "1": "en",
        "2": "often",
        "3": "military"
      },
      "expansion": "(often military)",
      "name": "tlb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "glosses": [
        "To cease operations, to close."
      ],
      "tags": [
        "often"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2009, Vince Flynn, Pursuit of Honor: A Novel, Simon and Schuster, page 204:",
          "text": "“But this third cell,” Butler said, “they went dark. No one had heard from them in months. That is, until the bombs started going off last week.”",
          "type": "quote"
        },
        {
          "ref": "2012, BioWare, Mass Effect 3 (Science Fiction), Redwood City: Electronic Arts, →OCLC, PC, scene: The Fall of Khar'shan Codex entry:",
          "text": "More systems have gone dark as their comm buoys were destroyed, and millions more batarians, trapped on their planets, sit waiting for the Reapers.",
          "type": "quote"
        }
      ],
      "glosses": [
        "To cease communications."
      ],
      "tags": [
        "often"
      ],
      "topics": [
        "government",
        "military",
        "politics",
        "war"
      ]
    }
  ],
  "word": "go dark"
}