Maj. Gen. Richard P. Mills, commanding general for I Marine Expeditionary Force (FWD), and Sgt. Maj. Michael P. Barrett, sergeant major for I MEF (FWD), uncase the unit’s colors during a transfer of authority ceremony at Camp Leatherneck, Helmand province, Afghanistan, Monday. - Maj. Gen. Richard P. Mills, commanding general for I Marine Expeditionary Force (FWD), and Sgt. Maj. Michael P. Barrett, sergeant major for I MEF (FWD), uncase the unit’s colors during a transfer of authority ceremony at Camp Leatherneck, Helmand province, Afghanistan, Monday.