I saw the POW flag displayed today at half mast under the US Flag (single flagpole) at my County Courthouse. I thought that this was in error. I did some online research when I came home and did find one sight (Wikipedia) which stated that the POW has it's own set of rules, and should not be flown at half staff. Anyone know the etiquette for this? If the US Flag is flown at half mast should the POW flag be removed from same flagpole? Any help would be appreciated.