Complex sentence: Admiral Sir George Michael Zambellas, KCB, DSC, was Commander United Kingdom Maritime Forces from June 2007 until September 2008 and is currently Fleet Commander and Deputy Chief of Naval Staff.
Split into simpler sentences: Admiral Sir George Michael Zambellas, KCB, DSC is a British Royal Navy officer. He was Commander United Kingdom Maritime Forces from June 2007 until September 2008 and is currently Fleet Commander and Deputy Chief of Naval Staff.