{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreifwxj7mbyg5cev5fu2r5icmg52hoh63nhpp66lukyhh6y4luc66kq",
    "uri": "at://did:plc:b7afdzqsmwksxypciqnplglk/app.bsky.feed.post/3mhddgxvmrcx2"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreicmgcuxyscbscsfnme5ofhcv4jt5nvfbpvb5xikdnejmyqhq732ye"
    },
    "mimeType": "image/jpeg",
    "size": 54647
  },
  "path": "/2026/03/18/us-is-firing-5000lb-penetrator-bombs-on-iran-how-do-they-work-27509363/",
  "publishedAt": "2026-03-18T10:58:34.000Z",
  "site": "https://metro.co.uk",
  "tags": [
    "News",
    "World",
    "Iran",
    "Iran war"
  ],
  "textContent": "The munitions, named by a government official as GBU-72 Advanced 5k Penetrator bombs, were first released in 2021.",
  "title": "US is firing 5,000lb ‘penetrator’ bombs on Iran – how do they work?"
}