Chairman of the Joint Chiefs Adm. Mike Mullen told service members in Afghanistan that the Defense Department had no immediate plans to change retirement benefits for service members. He did say that DoD is looking for ways to tighten the belt and left open the possibility for future changes. According to a DoD release: “There’s no immediate plan to affect retirement,” Navy Adm. Mike Mullen told service members at Kandahar Airfield, Afghanistan, July 31. The chairman of the Joint Chiefs of Staff said any changes to military retirement should be studied carefully and should be “grandfathered” so the military doesn’t…