Hobbies and Crafts Can you be disqualified from the military? What makes you unfit for military service? To be found unfit for duty, you: must have a medical condition that disqualifies you from fitness for service, and. cannot reasonably be expected to perform the duties of your rank and military career due to this medical condition. Related Posts:Military discount code for home depot onlineLes Schwab has a military discount, but it needs to be available, and it must be verified.Can you send your kid to military school for free?Can you work a civilian job while in the National Guard?