Chiefs of Staff
http://www.jcs.mil/
The_________are meeting at the White House.
I can't figure out how to use Chief of Staff in the above sentence.
4 answers
If the Chief of Staff is meeting with someone (it says "are", so he's not meeting with himself), who might he meet with?
Yes, each branch of the military has a Chief of Staff. The President has a Chief of Staff, too.
http://grammar.ccc.commnet.edu/grammar/plurals.htm
Scroll down and study how to form plurals of compound nouns.
Scroll down and study how to form plurals of compound nouns.