{
  "game_id": 415,
  "wiki_id": "D14",
  "category": 4,
  "type": 1,
  "name": "遠洋潜水艦作戦の成果を拡大せよ！",
  "detail": "「遠洋潜水艦作戦」を継続実施し、潜水艦隊の練度向上と敵艦隊漸減に努めよ！",
  "reward_fuel": 0,
  "reward_ammo": 400,
  "reward_steel": 0,
  "reward_bauxite": 0,
  "reward_other": [
    {
      "name": "潜水艦53cm艦首魚雷(8門)",
      "category": "装備",
      "amount": 1
    }
  ],
  "prerequisite": [
    414
  ],
  "requirements": {
    "category": "expedition",
    "objects": [
      {
        "times": 2,
        "id": 39
      }
    ]
  }
}