What does M.I.A. mean?

Question

What does M.I.A. mean?

Answer 1

To add to Mamie's answer,

"Missing in action is a status assigned to a member of the armed services who is reported missing following combat. The person in question may have been killed, wounded or captured by the enemy."

http://en.wikipedia.org/wiki/Missing_in_...

Answer 2

Missing in Action