{
  "operation": "OP-04 Iron Coast",
  "theatre": "Coral Shelf shoreline",
  "difficulty": "Hardened",
  "duration_min": 14,
  "time_of_day": "morning",
  "weather": "sea fog patches",
  "objectives": [
    "Approach low over open water",
    "Silence 4 coastal gun emplacements",
    "Suppress the ship-launched SAM picket",
    "Cover the landing force ashore"
  ],
  "threats": ["Naval SAM x2", "Coastal guns x4", "Patrol boats x3"],
  "medal_thresholds": {"bronze": "beachhead secured", "silver": "under 14:30", "gold": "under 12:30, guns out first", "ace": "under 11:00, zero naval hits"},
  "rewards": {"credits": 1200, "unlock": "OP-05 Blackout Ridge"}
}