person A: My brother is in the Navy.
person B: How long has he been in the Navy?  I have a bonus son (my son's best friend) who has been in the Navy for about a year now.
person A: He has been there for five years.
person B: That's a nice commitment.  My father is an Air Force veteran.  I'm not too fond of the military_comma_ but it definitely makes a difference in the lives of many.