If you ask anyone who has done the RAF, they will probably say, "It was fun while I was in, but I'm glad I'm out now." This can be attributed mainly to family circumstances changing at the end of 16 years service, so if you are prepared to stay for 16 years in this knowledge, then go for it.
Read what I wrote on this thread below:
http://www.pprune.org/ubb/NonCGI/For...ML/000638.html