Officers have standard swords, but differing scabards I believe, one for officers below Air Rank, and the one for the Airships which is ever so slightly more fancy:
http://www.raf.mod.uk/rafcms/mediafi...4A10495884.pdf
Sir Glen must have got his from eBay. Also has he got a false hand or is he out of practice in the fine art of 'throwing one up?'