| GCat | Design & Safety |
| MCat | Security |
| SCat | Aviation Security |
Airport and airline security measures
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| Libraries & Directories » BuildingACES » Security » Aviation Security |
| GCat | Design & Safety |
| MCat | Security |
| SCat | Aviation Security |
No pessimist ever discovered the secret of the stars, or sailed to an uncharted land, or opened a new doorway for the human spirit.

The future ain't what it used to be.