Conversation so far:
what are the order of the arrow ranks
There are no ranks within the Order of the Arrow
who founded the order of the arrow
Camp Director E. Urner Goodman and Assistant Camp Director Carroll A. Edson founded the Order of the Arrow
when was the order of the arrow founded
The Order of the Arrow was founded on July 16, 1915
who owns the order of the arrow
The Boy Scouts of America owns the Order of the Arrow

Question: where are the order's headquarters
Self-contained rewrite: where are the order of the arrow headquarters