I'm pretty sure that it is not an offence to impersonate a member of the armed forces,
even if you had been wearing a modern army uniform.

It is an offence to impersonate a police officer, and it is technically an internal MOD disciplinary offence for soldiers to wear their uniform off duty (although most of them ignore that rule - it was introduced to stop IRA gunmen targetting off-duty soldiers) but I have never heard of it being an offence for a civilian to wear army uniform.
(Seance Trumpet has got no beef with a man enjoying a croissant, Sat 1 Nov 2008, 23:30, 1 reply)

Thoughts
No I'm pretty sure it's not an offence... But you do have to be prepared for the occasional comment (at the very least) from ex-service people. My daughter used to look forward to it, especially when in her air cadet uniform. She looked on it as another culture that she was sort of "invited into" by wearing bits of kit, so it went along with the territory..

Btw, she was told my her CO not to wear her hat, in cars etc, as the shiny badge would mark her out as a target, oddly....
(Beer Elf Thought this was like a campfire, anyhow, on, Sun 2 Nov 2008, 21:52, closed)