Complex sentence: Entering the United States Navy in the late 1890s, Carpender would eventually commanding the Destroyers Atlantic Fleet from December 1941 to June 1942, Carpender was assigned to General Douglas MacArthur's Southwest Pacific Force on September 11,1942 succeeding Admiral Leary.
Split into simpler sentences: Entering the United States Navy in the late 1890s, Carpender would eventually command the Destroyers Atlantic Fleet from December 1941 to June 1942. He was assigned to General Douglas MacArthur's Southwest Pacific Force on September 11,1942 succeeding Admiral Leary.