Complex sentence: On 22 November 2005, VADM Harvey assumed duties as the Navy's 54 th Chief of Naval Personnel which he also served concurrently as the Deputy Chief of Naval Operations (Manpower, Personnel, Training & Education).
Split into simpler sentences: On 22 November 2005, VADM Harvey assumed duties as the Navy's 54 th Chief of Naval Personnel. He serves concurrently as the Deputy Chief of Naval Operations (Manpower, Personnel, Training & Education).