Have secret codes been used long?
Yes
What's their purpose?
to protect important information
Did the Navy trick Japan?
Yes
Was the message they sent true?
No
Was in sent in some kind of secret fashion?
No
What place is now known to be AF?
Midway.
Is there a message nobody has figured out?
Yes
Is it really strange?
Yes
What language is it in?
Navajo
Is it tricky for most people to learn?
Yes