In the days before troops used to bring personal media players to the field it was considered a treat to cleverly tune the later the 522 radios to the local FM rock stations. In North America domestic FM runs 88.1 to 108.1 frequency, placing it in the realms of equipment.
But never did we drive around the local urban areas broadcasting "pirate radio" over top of the common local bands for amusement. Soldiers wouldn't do that sort of thing...