Requires:

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

Exit condition:

"leaveSpaceJumping": {
  "remoteRunway": {
    "length": 16,
    "openEnd": 1
  },
  "minExtraRunSpeed": "$1.8"
}

Unlocks doors:

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