Army folks-how often does 25b information systems operator and 15q air traffic controller deploy?

im thinking about reclassing to one of these mos',most likely in the guard or reserve,and i was curious to hear how often they deploy?if you are in one of these mos' i would love to hear from you,how often you go out into the field,what you do,you know,the real nitty gritty of the job.whats it really like?