Here's an outline for setting up a basic Traveller adventure. You can skip some sections if you want. Or you can add some. But this should give you a good outline to follow for creating your own Traveller adventures.
    You can even use most of this for outlining pre-made adventures.
    Give it a shot!
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PROLOGUE
The Introduction
ACT I 
The Patron Assignment or Mission
    Supplies and Sundry
    The Departure
ACT II
The Mission
    Getting There
    What Happens?
    What Happens Next?
    What Else Happens?
ACT III
End of the Mission
    Resolving the Mission
    Final things that Happen
EPILOGUE
The Aftermath
    Reporting the Mission
    Burying the Dead
    Selling Trophies
    Getting Rewards
