"barrier troops" meaning in English

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      "expansion": "barrier troops pl (plural only)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "langcode": "en",
          "name": "Military",
          "orig": "en:Military",
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      "examples": [
        {
          "ref": "2023 March 27, Pjotr Sauer, “Russian soldiers say commanders used ‘barrier troops’ to stop them retreating”, in The Guardian, →ISSN",
          "text": "The Russian president has also claimed Ukraine was using its own barrier troops, “shooting their own soldiers in the back”.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Military units that are located in the rear or on the front line to maintain military discipline of the main forces by preventing desertion."
      ],
      "id": "en-barrier_troops-en-noun-qaTCwK1R",
      "links": [
        [
          "front line",
          "front line"
        ],
        [
          "desertion",
          "desertion"
        ]
      ],
      "related": [
        {
          "word": "blocking unit"
        }
      ],
      "tags": [
        "plural",
        "plural-only"
      ]
    }
  ],
  "word": "barrier troops"
}

{
  "head_templates": [
    {
      "args": {
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      "expansion": "barrier troops pl (plural only)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "blocking unit"
    }
  ],
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        "en:Military"
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      "examples": [
        {
          "ref": "2023 March 27, Pjotr Sauer, “Russian soldiers say commanders used ‘barrier troops’ to stop them retreating”, in The Guardian, →ISSN",
          "text": "The Russian president has also claimed Ukraine was using its own barrier troops, “shooting their own soldiers in the back”.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Military units that are located in the rear or on the front line to maintain military discipline of the main forces by preventing desertion."
      ],
      "links": [
        [
          "front line",
          "front line"
        ],
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          "desertion",
          "desertion"
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      "tags": [
        "plural",
        "plural-only"
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  ],
  "word": "barrier troops"
}