Q: I have 31 years in the Army, six years of which is active duty, and I’m still on reserve status. I’ve been working at a Veterans Affairs Department hospital for more than 20 years and plan to stay there until I have 30 years of service. I’m presently buying back the six years of active-duty time, and it is going to cost $12,000. First of all, is it worth it for me to buy back this time? I have heard when you retire from the federal government, you will only get either your federal retirement with your active-duty buyback…