vehicle, your vehicle must have a department of defense sticker. you have to register your car on post. if you don t have both of those things, then your vehicle is inspected and underneath you have to open the trunk and give access for the police to look at it. most of the places that don t have military police or sps or air police on the gate, they have contract workers. many of them are off-duty local policeman. and the level of scrutiny that takes place at the gate varies, from post to post and base to base and also varies from time to time. i ve gone on to post when it was extremely difficult to get on. they were very vigilant and at other times it s been relatively easy, but by and large, if you