{
  "type": "object",
  "description": "The thrusters determine how quickly a ship travels between waypoints.",
  "properties": {
    "symbol": {
      "type": "string",
      "enum": [
        "IMPULSE_DRIVE",
        "ION_DRIVE_I",
        "ION_DRIVE_II",
        "HYPER_DRIVE"
      ]
    },
    "name": {
      "type": "string",
      "enum": [
        "Impulse Drive",
        "Ion Drive",
        "Advanced Ion Drive",
        "Hyper Drive"
      ]
    },
    "condition": {
      "$ref": "./ShipCondition.json"
    },
    "speed": {
      "type": "number",
      "minimum": 1
    },
    "requirements": {
      "$ref": "./ShipRequirements.json"
    }
  }
}