{
  "game_id": 819,
  "wiki_id": "B72",
  "category": 2,
  "type": 1,
  "name": "「第三十一戦隊」敵潜を制圧せよ！",
  "detail": "第三十一戦隊(第一次)を鎮守府近海航路に再投入！反復出撃し、敵潜を制圧せよ！",
  "reward_fuel": 310,
  "reward_ammo": 310,
  "reward_steel": 0,
  "reward_bauxite": 310,
  "reward_other": [
    {
      "name": "改修資材",
      "amount": 2
    },
    {
      "name": "三式水中探信儀",
      "category": "装備",
      "amount": 1
    }
  ],
  "prerequisite": [
    171,
    228
  ],
  "requirements": {
    "category": "sortie",
    "map": "1-6",
    "times": 2,
    "groups": [
      {
        "ship": "五十鈴改二",
        "flagship": true
      },
      {
        "ship": "皐月改二"
      },
      {
        "ship": "卯月改"
      },
      {
        "ship": "艦",
        "amount": 3
      }
    ],
    "result": "クリア"
  }
}