Kurt Ullman wrote:

Doesn't make any difference as to citizenship. The GC applies only to
the armed forces of a signatory country. If were to ship a couple
regular army types (in uniform and under orders from their commanders)
off to Cuba, then you might have a case.

This is a very persistent myth. The Fourth Geneva Convention
applies to "those who, at a given moment and in any manner whatsoever, find
themselves, in case of a conflict or occupation, in the hands of a Party to the
conflict or Occupying Power of which they are not nationals".

http://www.icrc.org/ihl.nsf/7c4d08d9...25641e004aa3c5

Not just armed forces. Any national of a signatory.

-- Doug