How to say "how's it going your military service?" in Korean
and, how to say, Do you have difficulty? in korean

Question

How to say "how's it going your military service?" in Korean
and,  how to say, Do you have difficulty?  in korean

Answer

informal / formal

군대에서의 생활은 어때? / 군대에서의 생활은 어때요? 
어려운 점이 있어? / 어려운 점이 있어요?

Answer

군생활 어때?
어려운 점 있어?