{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreielqhajkbcbykr6u7uafgkdfae3dvjnxynkauo7wu2qgy5lghava4",
    "uri": "at://did:plc:qumwnwbc2vcxzksqj2z544a4/app.bsky.feed.post/3mhpdlokhti22"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreidch4uqyto2nqzm7jt4qo26ram6x4ynvjrldkvk5lkbl5llqkouqm"
    },
    "mimeType": "image/jpeg",
    "size": 229075
  },
  "path": "/p/how-fortress-ukraine-is-breaking",
  "publishedAt": "2026-03-22T06:00:19.000Z",
  "site": "https://professorbonk.substack.com",
  "textContent": "At Ukraine’s fortress belt, Russia’s spring offensive is burning through men, drones, and glide bombs faster than it can break Ukrainian lines.",
  "title": "How Fortress Ukraine Is Breaking Russia’s Spring Offensive"
}