January 10, 2018 - Present
CMDCM(SS/SW) Ryan Colosimo
Command Master Chief

Command Master Chief Ryan Colosimo is the Senior Enlisted Advisor to the Commanding Officer, USS Ashland LSD 48 homeported in Sasebo, Japan.

Command Master Chief Colosimo is a native of Minnesota and graduated from Long Prairie High School. He enlisted in the Navy in August of 1993 and attended Basic Recruit Training in Great Lakes, Illinois followed by Mess Management Specialist “A” School in San Diego, CA and Basic Enlisted Submarine School in Groton, CT. His sea duty assignments include USS Montpelier (SSN-765) in Norfolk, VA, USS Nevada (SSBN-733) in Bangor, WA, USS O’Kane (DDG-77) in Pearl Harbor, HI, and USS Denver (LPD-9) in Sasebo, Japan. Ashore he was assigned to Naval Station San Diego in San Diego, CA, Commander Naval Personnel Command in Millington, TN, Naval Hospital Camp Lejeune in Jacksonville, NC, and Commander Fleet Activities Chinhae, in Korea.

Command Master Chief Colosimo holds an Associate in Applied Science in Administrative and Management Studies. He is a graduate of the Coast Guard Academy Class 178. His personal awards and decorations include the Meritorious Service Medal, Navy Commendation Medal (two awards), Navy Achievement Medal (four awards) and various campaign and service awards.


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