EXECUTIVE OFFICER (2019-2020) REPUBLIC OF KOREA NAVY, DDH-class destroyer ROKS Yangmanchun
JOINT STRATEGY CAPABILITY PLANNING OFFICER (2017-2019) REPUBLIC OF KOREA NAVY, NAVY HEADQUARTER, MILITARY STRATEGY PLANNING BRANCH
EXECUTIVE OFFICER (2014-2016) REPUBLIC OF KOREA NAVY, Salvage Ship ROKS Tongyoung
COMMANDING OFFICER (2008-2009) REPUBLIC OF KOREA NAVY, PKM(Patrol Killer Medium)-292
DOCTRINE and PUBLISHMENT OFFICER (2007-2008) REPUBLIC OF KOREA NAVY, ROK FLEET COMMAND, TRAINING BRANCH
ANTI-SUBMARINE WARFARE OFFICER (2004-2005) REPUBLIC OF KOREA NAVY, DDH-class destroyer ROKS Ulchimunduck
INSTRUCTOR (2003-2004) REPUBLIC OF KOREA NAVY, NAVAL ACADEMY, OCS DEPARTMENT
EXECUTIVE OFFICER (2002-2003) REPUBLIC OF KOREA NAVY, PKM(Patrol Killer Medium)-339
COMMUNICATION OFFICER (2001-2002) REPUBLIC OF KOREA NAVY, Frigate-959 ROKS Busan

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