I didn't think that sevice personnel were allowed out in uniform
Why not? If I were still in I'd be delighted to proudly walk around High Wycombe in uniform glaring at any beardy who eyeballed me.
p.s. Recently had RAF march through our town with bayonets fixed and band playing.
Although, to be honest, the only time I've seen an RAF bayonet draw blood was when a colleague, polishing his for parade*, fell off his bunk and gave himself a handsome duelling scar across the forehead.
* No sniggering at the back!