Cols. Katherine J. Estes, left, and Thomas A. Pecina,

Cols. Katherine J. Estes, left, and Thomas A. Pecina, right, bow their heads June 30 during the invocation portion of their change of command ceremony at the Camp Foster Community Center. Estes, a Marceline, Missouri, native, completed her two-year term as the commanding officer of Headquarters and Support Battalion, Marine Corps Installations Pacific-Marine Corps Base Camp Butler, as of June 2014. Pecina, a Lubbock, Texas, native, assumes command of the battalion for the next two-year term. (U.S. Marine Corps photo by Lance Cpl. Pete Sanders/Released)