Q: I have 15 years and 11 months military time, which I have bought back. I also have 3.5 years with the VA. Our human resources office says that I must have at least five years of civilian service in order to retire. The only reference to any kind of five-year rule I can find on the Office of Personnel Managment Web site only applies to those transferring from the Civil Service Retirement System to the Federal Employees Retirement System. I know there is a 5-percent penalty per year for every year under 62. I have several medical issues and…