{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Russian Losses in Ukraine",
  "description": "A dataset tracking Russian military losses in Ukraine since the 2022 full-scale invasion.",
  "type": "array",
  "items": {
    "type": "object",
    "properties": {
      "date": {
        "type": "string",
        "description": "The date of reporting.",
        "format": "date"
      },
      "sourceUri": {
        "type": "string",
        "description": "The URI of the Ministry of Defence of Ukraine webpage where the losses were originally reported."
      },
      "personnel": {
        "type": "integer",
        "description": "Human casualties killed or wounded. The Ministry of Defence of Ukraine has declared this number an approximation."
      },
      "tanks": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Combat tanks. https://en.wikipedia.org/wiki/Tank"
      },
      "afvs": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Armored fighting vehicles excluding tanks, anti-air systems, self-propelled artillery, and rocket launch systems. https://en.wikipedia.org/wiki/Armoured_fighting_vehicle"
      },
      "artillery": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Cannons, howitzers, and mortars. https://en.wikipedia.org/wiki/Artillery"
      },
      "airDefense": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Anti-aircraft (AA) guns and rocket systems. https://en.wikipedia.org/wiki/Anti-aircraft_warfare"
      },
      "rocketSystems": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Multiple launch rocket systems (MRL/MLRS). https://en.wikipedia.org/wiki/Multiple_rocket_launcher"
      },
      "unarmoredVehicles": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Unarmored or lightly armored, soft-skinned vehicles, such fuel tankers, logistics vehicles or motorcycles. https://en.wikipedia.org/wiki/Soft-skinned_vehicle"
      },
      "fixedWingAircraft": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Fighter jets and military planes. https://en.wikipedia.org/wiki/Fixed-wing_aircraft"
      },
      "rotaryWingAircraft": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Helicopters or other rotorcraft. https://en.wikipedia.org/wiki/Rotorcraft"
      },
      "uavs": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Unmanned aerial vehicles (UAVs/UAS), typically long-range, fixed-wing drones. https://en.wikipedia.org/wiki/Unmanned_aerial_vehicle"
      },
      "ships": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Naval ships. https://en.wikipedia.org/wiki/Naval_ship"
      },
      "submarines": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Naval submarines. https://en.wikipedia.org/wiki/Submarine"
      },
      "specialEquipment": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Special radars, construction equipment, flamethrower vehicles, and other miscellaneous or specialized equipment."
      },
      "missiles": {
        "type": [
          "integer",
          "null"
        ],
        "description": "Long-range missiles ballistic and cruise missiles. https://en.wikipedia.org/wiki/Missile"
      }
    },
    "required": [
      "date",
      "sourceUri",
      "personnel",
      "tanks",
      "afvs",
      "artillery",
      "airDefense",
      "rocketSystems",
      "unarmoredVehicles",
      "fixedWingAircraft",
      "rotaryWingAircraft",
      "uavs",
      "ships",
      "submarines",
      "specialEquipment",
      "missiles"
    ],
    "additionalProperties": false
  }
}