{
  "execution_plan": {
    "total_phases": 2,
    "parallel_execution_possible": true,
    "critical_path_minutes": 870,
    "phases": {
      "phase_1_critical": {
        "systems": [
          "propulsion",
          "life_support",
          "safety_mechanisms"
        ],
        "duration_minutes": 870,
        "personnel_required": [
          "Test Director",
          "Propulsion Engineer",
          "Emergency Systems Tech",
          "Mission Safety Officer",
          "Safety Engineer",
          "Environmental Systems Tech",
          "Life Support Engineer",
          "Medical Officer",
          "Safety Officer"
        ],
        "phase_description": "Critical systems verification - mandatory before flight"
      },
      "phase_2_high_priority": {
        "systems": [
          "navigation",
          "communication"
        ],
        "duration_minutes": 540,
        "personnel_required": [
          "Navigation Engineer",
          "GNC Specialist",
          "RF Specialist",
          "Ground Station Operator",
          "Communications Engineer",
          "Flight Dynamics Analyst"
        ],
        "phase_description": "High priority systems verification"
      }
    }
  }
}