I agree with Ulster provided you have the correct diagnosis. If you have pulled your shoulder with a specific injury and it fully recovers in a couple of weeks then fine. However if the symptoms suddenly occurred on their own or they are chronic you should have a definitive diagnosis involving imaging. If this shows you have a rotator cuff injury definitive surgery may well be your best option and indeed necessary to be able to have the future mobility to fly in the civilian world.
Such injuries develop a painful arc where you cannot raise your arm to eg the overhead panel / throttles.
I would recommend you see someone who does no other operations than shoulders if it doesn't settle down and if necessary get several opinions.