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CMDCM (SW/AW/IW) Derek Mullenhour

Master Chief Derek Mullenhour was born and raised in Granada Hills, California.  He enlisted in the U.S. Navy March 1993 and graduated from Recruit Training Command Orlando, FL. Remaining in Orlando, he attended Quartermaster “A” School at NTC.
Mullenhour’s sea duty and overseas assignments include: USS OBRIEN (DD 975), in Yokosuka, Japan; USS PRINCETON (CG 59) in San Diego; USS CURTIS WILBUR (DDG 54) in Yokosuka, Japan for two tours; USS OGDEN (LPD 5) in San Diego; USS LAKE CHAMPLAIN (CG 57) in San Diego; and USS GEORGE WASHINGTON (CVN 73) in Yokosuka, Japan.
Mullenhour’s shore duty assignments include: NAF Atsugi, Japan; and Afloat Training Group Western Pacific, in Yokosuka Japan for two tours.
Mullenhour was selected for the Command Master Chief (CMC) Program in 2014 and subsequently served as CMC of HSM-78 from November 2014 to December 2016; CMC of NCTS Far East from December 2016 to June 2019; CMC of Yokosuka Naval Base (CFAY) from July 2019 to July 2021; and CMC of NCTAMS PAC from June 2021 to July 2023.  He is currently serving as the CMC of Navy Region Hawaii.
Master Chief Mullenhour is a graduate of U.S. Navy Senior Enlisted Academy, Class 171 (Blue Group), the Command Master Chief/Chief of the Boat course, Class 138, and the MCPON Executive Leadership Symposium.
Master Chief Mullenhour’s decorations include the Meritorious Service Medal (fourth award), Navy and Marine Corps Commendation Medal (third award), and the Navy and Marine Corps Achievement Medal (sixth award).  Mullenhour has been on teams that have been awarded the Meritorious Unit Citation, the Battle Efficiency Award, and the Humanitarian Award.


Last Updated: 20 February 2024


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