Honking Twice
In the military, honking twice typically means that you are backing up. When soldiers come home, they have a tendency to do the same thing out of instinct.

Honking Twice
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The Flag
The American flag is the symbol of the United States of America and it, therefore, deserves respect. Whenever a flag is raised, soldiers stand immediately and some even salute. That’s patriotism for you.

The Flag