Thinking of a job in the Royal Navy, well your options are vast though temp work is most probably a little on scarce side, I doubt you get many part time helicopter pilots!
There are however such a wide variety of jobs that are usually done on a part time basis which when applied to the Royal Navy means you have full time role. Look at Catering and Hospitality there are literally thousands of hungry mouths to feed and sailors need quality food on land and sea. Why not become a member of ship and submarine crew and provide hospitality services and carrying out other key tasks on these modern warships.
Follow this link to the Royal Navy you’ll see that even they think we’re one of the best suppliers of temporary workers across the UK.