Marines stand in formation during a transfer of authority ceremony on Camp Leatherneck, March 26. Maj. Gen. John Toolan, commanding general of II Marine Expeditionary Force (Forward) assumed command of Regional Command Southwest from Maj. Gen. Richard P. Mills, commanding general of I MEF (Fwd). - Marines stand in formation during a transfer of authority ceremony on Camp Leatherneck, March 26. Maj. Gen. John Toolan, commanding general of II Marine Expeditionary Force (Forward) assumed command of Regional Command Southwest from Maj. Gen. Richard P. Mills, commanding general of I MEF (Fwd).