Maj. Gen. David H. Berger, former Combat Center Commanding General, prepares to relinquish command to Maj. Gen. Lewis A. Craparotta, Combat Center Commanding General, during a change of command ceremony at Lance Cpl. Torrey L. Gray Field, July 10, 2014. Berger has been nominated by President Obama for appointment to lieutenant general and command of I Marine Expeditionary Force, based in Marine Corps Base Camp Pendleton, Calif.