The pay WAS good, this has been done to death but with 20k housing you will either be living in very modest digs or using some of your 68 odd K to subsidise.
Flying in China is soul destroying and the 10 weeks annual leave will be well earned.
Don't worry about the problems with command upgrades, unless a lot of crew leave you will have 8-10 years to learn how to be a Jedi Knight.
May the force be with you.