"ВС" meaning in Russian

{
  "forms": [
    {
      "form": "VS",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "noun"
      },
      "expansion": "ВС • (VS)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "vooružónnyje sily",
          "word": "вооружённые силы"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "armed forces; Abbreviation of вооружённые силы (vooružónnyje sily)."
      ],
      "id": "en-ВС-ru-noun-Z6qLKUXo",
      "links": [
        [
          "armed forces",
          "armed forces#English"
        ],
        [
          "вооружённые силы",
          "вооружённые силы#Russian"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "ВС"
}

{
  "forms": [
    {
      "form": "VS",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "noun"
      },
      "expansion": "ВС • (VS)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "vooružónnyje sily",
          "word": "вооружённые силы"
        }
      ],
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Russian abbreviations",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian nouns"
      ],
      "glosses": [
        "armed forces; Abbreviation of вооружённые силы (vooružónnyje sily)."
      ],
      "links": [
        [
          "armed forces",
          "armed forces#English"
        ],
        [
          "вооружённые силы",
          "вооружённые силы#Russian"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of"
      ]
    }
  ],
  "word": "ВС"
}