Table 1: Key Terrestrial Environment Parameters Needed Versus Engineering Systems (X) and Mission Phase (P).

X Terrestrial Environment Parameters P
Launch Vehicle Systems (Sub-) Winds & Gusts Atmosph. Thermo-dynamics Atmosph. Constit. Sola/Thermal Radiation Atmosph. Electricity Clouds & Fog Humidity Precip.or Hail Sea State Severe Weather Geologic Hazards Mission Phase
System X P X P X P X P X P X P X P X P X P X P X Mission Analysis
Propulsion Engine Sizing X X P P X X P X Manufacturing
Structures/Airframe X P X P X X P P X P X X P P Testing
Performance/Trajectory/G & N X P X P P P X P P P P P P P Transportation/Ground Handling
Aerodynamics X P X P P P P P P P P Roll Out/On Pad
Thermal Loads/Aerodynamic Heat X P X P P X P P P P P P P Pre-Launch/DOL Count
Control X P X P P P X P P P P X P Liftoff/Ascent
Loads X P X P P P P X P X P Stages Recovery
Avionics P P X X X P P X P X P Flight
Materials X X P X P X P X X X X X Orbital
Electric Power P P X X P X X P P Descent
Optics P X P X P X P X P P X P P P Landing
Thermal Control P X P P X P P P X P P P Post Landing
Telemetry/Tracking/Comms P X P X P P X P X P P X P P X P P Ferry/Transport
P P P P P P Facility/Special Eq
P P P P P P P Refurbishment
Mission Operations X P X P X P X P X P X X P X P X X P X P Storage