Q. I’m a retired reservist and a new federal employee. I understand I can buy back some or all of my active-duty time and not affect my reserve retirement when I turn 60 in 6½ years. I have DD-214s for deployments and activations totaling 4.4 years. I also have my Air Force Reserve Point Credit Summary, which shows my active duty time to be 2,112 days, or about 5.8 years. This additional 1.4 years includes my two-week tours and other active-duty man-days and short tours not covered by a DD-214. Can I buy credit for this additional 1.4 years of…