AirshipDesignGUI:

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   High-level airship design tool.
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   Form:
   tag = AirshipDesignGUI( action, modifier )
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   ------
   Inputs
   ------
   action          (1,:)   Action to be taken by the Airship Design GUI
   modifier        (:)     Modifier applied to action
   data            (:)     Data passed

   -------
   Outputs
   -------
   tag             (1,:)   Returns the window tag on initialization

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Children:

Airships: Modeling/AirshipDrag
Airships: Modeling/AirshipGeometry
Airships: Modeling/SolarCellCoverage
Airships: Modeling/StructuralMass
Common: Atmosphere/StdAtm
Common: General/CloseFigure
Common: Graphics/Ellipsd
builder: Templates/HelpSystem