Q: I am a Federal Employees Retirement System employee and have just returned from an overseas tour. My annual leave ceiling while overseas was 360 hours (which is my current leave balance). Now that I am back in the U.S., will I be able to maintain the annual ceiling of 360 indefinitely if I only use “use or lose” time each year, or will the ceiling be adjusted at some point? I am planning for retirement and would like to keep as much leave on the books as possible for a lump-sum payout. A: The ceiling which you had overseas…