Q. I am in the GS, age 64. I hit seven years overseas and am on the Priority Placement Program to return to the U.S. Instead, I plan to stay overseas and marry a local national. My options are to retire at 13 years’ service or to resign and take a Non-Appropriated Fund job on base to continue earning FERS coverage. I understand that next year I must enroll in Medicare Part A, although I will be overseas and unable to use it. Is there any benefit to me also enrolling in Part B if I plan to retire overseas?…