Yes Unioin Jack old chap, but not in the RN. Caps should not be worn indoors apart from Court Martials and other formal occaisions. Indeed it was only the fact that he was wearing his cap showed that he was Navy. Ok the curl is a bit of give away but air France have those. Customs do not look like naval officers any more, in case you have not noticed. But, as I said before, how did airport security deal with him in GLA? Did he get treated as strictly as aircrew. Does he think it might be a good idea to wear a suit next time?