U.S. Marines with 12th Marine Regiment, fire rounds in honor of U.S. Pacific Command Commander Adm. Samuel J. Locklear during the U.S. Marine Corps Forces, Pacific change of command ceremony on Marine Corps Base Hawaii, August 15, 2014. Lt. Gen. Terry G. Robling relinquished command to Lt. Gen. John A. Toolan Jr. (U.S. Marine Corps photo by Wesley Timm/Released)