Petty Officer First Class Shawn Andre Walker is the Acting Systems Test Officer/AEGIS Weapons System Supervisor on the US Aegis Destroyer USS O’KANE/DDG 77 deployed in the Persian Gulf.  Petty Officer Walker was born in Los Angeles, California in 1978 and majored in Biology at Michigan State and Rider University before enlisting in the Navy in January 1997. Originally serving as Leading Petty Officer (LPO), he assumed the duties of Leading Chief Petty Officer (LCPO) in January 2010 due to a gapped Chief billet. In June 2010, he further assumed duties as Systems Test Officer (STO) to fill a critical gapped billet normally assigned to a Chief Warrant Officer or Limited Duty Officer. His decorations include the Navy and Marine Corps Commendation Medal. Petty Officer First Class Shawn Andre Walker received his award from the Vice Chief of Naval Operations Admiral Jonathan Greenert.