It should have downloaded to your mission cache directory ... which I can not remember the name of at the moment. It may be in your Arma3 profile directory (<Documents>\Arma3) or maybe your user directory (c:\Users\<username>\Saved Games\).

Otherwise I am sure Adlabs or Meatshield can send it to you.


Fridge
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Things which do you no good in aviation:
1) Altitude above you;
2) Runway behind you;
3) Fuel in the truck;
4) The airspeed you don't have.