Complex sentence: Arthur K. Cebrowski (August 13,1942--November 12,2005) was a retired United States Navy admiral who served from October 2001 to January 2005 as Director of the Office of Force Transformation in the U.S. Department of Defense.
Split into simpler sentences: Arthur K. Cebrowski (August 13,1942--November 12,2005) was a United States Navy admiral. He also who served from October 2001 to January 2005 as Director of the Office of Force Transformation in the U.S. Department of Defense.