Requires:

{
  "or": [
    {
      "and": [
        {
          "not": "f_DefeatedPhantoon"
        },
        "canRiskPermanentLossOfAccess"
      ]
    },
    "Gravity"
  ]
}
{
  "doorUnlockedAtNode": 1
}

Exit condition:

{
  "leaveWithMockball": {
    "remoteRunway": {
      "length": 16,
      "openEnd": 1
    },
    "landingRunway": {
      "length": 2,
      "openEnd": 1
    }
  }
}

Unlocks doors:

{"types":["ammo"],"requires":[]}