Just a couple of points of clarification. Military personnel on military bases are subject to the Uniform Code of Military Justice, or, in other words, military law. Civilians on the base are subject to the regulations promulgated by the military, but are tried (if necessary) in cililian courts. "Martial Law" is a special case, in which civilians are subject to military courts, and ANON.GUEST is correct that martial law does not exist in the US. The military services still have their own uniformed journalists and photographers who, if they have a higher level of "privileges," earn them by carrying weapons and getting up close and personal for E-4 pay.