S. Coast Guard

Port Security Unit 305

Joint Base Langley-Eustis, Virginia

Executive Officer

Lieutenant Commander Daniel J. McMahon  

Lieutenant Commander McMahon began his career at Coast Guard Station Duluth, MN where he served as a Coxswain and Boarding Officer.  In follow on enlisted tours at Coast Guard Station Alpena, Michigan and Coast Guard Station Bayfield, Wisconsin, where he was activated as part of Operation NOBLE EAGLE to conduct port safety and security operations throughout the Northern Great Lakes Area.  This tour was followed by acceptance of a commission, where he was assigned as a pollution investigator and inspector at Marine Safety Office Duluth. After transferring from MSO Duluth, he was assigned as the Reserve Enforcement Officer at Sector Lake Michigan.  Upon completion of this tour, he was recalled to active duty to serve at the FEMA Joint Federal Office in New Orleans in support of Hurricane Katrina recovery operations.  Upon completion of active duty, LCDR McMahon was assigned as the Reserve Enforcement Officer at Marine Safety Detachment Saint Paul, Minnesota.  Moving into the Expeditionary Warfare Community, Lieutenant Commander McMahon was assigned as the Engineer Officer at Port Security Unit 308, the deputy PSU Force Manager at Pacific Area, and most recently as the Operations Officer at Port Security Unit 312, twice deploying to Joint Task Force Guantanamo, Cuba.

Additionally, Lieutenant Commander McMahon has served in support of Operation ENDURING FREEDOM, The Deepwater Horizon Oil Spill, Hurricane Katrina and Hurricane Sandy. 

Lieutenant Commander McMahon’s military awards include the Coast Guard Commendation Medal, Army Commendation Medal, Coast Guard Achievement Medal, Commandant’s Letter of Commendation, Armed Forces Reserve Medal with Bronze Hourglass, National Defense Service Medal, Volunteer Service Medal, as well as multiple unit and service awards.  He has earned the Port Security Unit, Boat Forces and Coxswain insignias.

In his civilian career, he is a County Veteran Service Officer in MN. 

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