Q: I served in the Marine Corps for more than 13 years, entering Dec. 27, 1979, and leaving active service in November 1987. I re-entered the Corps on Dec. 7, 1989, and was involuntarily but honorably discharged in the middle of 1995 as part of force reduction after the first Gulf War. I did not retire, but I did receive a separation allowance, all of which I have paid back. I paid back the money by not receiving any disability pay for about 12 years (20 percent disabled for service-connected foot and back injuries). In the spring of 2001, I…