Mission
The NCIS mission is to investigate and defeat criminal, terrorist, and foreign intelligence threats to the United States Navy and Marine Corps-ashore, afloat, and in cyberspace.
 NCIS Leadership 

 Senior Executive Service (SES) logo
  Andrew P. Snowdon  
  Executive Assistant Director for Pacific Operations 
  Naval Criminal Investigative Service


Special Agent Andrew P. Snowdon was selected as a member of the Senior Executive Service and appointed as Executive Assistant Director for Pacific Operations for the Naval Criminal Investigative Service (NCIS) in January, 2016.  In this position, he oversees all criminal and national security investigations and operations conducted across six NCIS field offices and numerous subordinate elements located throughout the western United States, Asia, Australia and aboard carrier and expeditionary strike groups based on the west coast and Far East regions. 

Special Agent Snowdon previously served as Special Agent in Charge of the NCIS Southeast Field Office from 2013 to 2016.  There, he was responsible for the management and operational direction of NCIS offices throughout Florida, Georgia, the Gulf Coast, Texas and the lower Mid-west states. His responsibilities extended throughout the Caribbean region as well as Central and South America.

From 2010 to 2013, Special Agent Snowdon served as Executive Assistant to the Deputy Director at NCIS Headquarters in Quantico, Virginia.

Special Agent Snowdon began his career with NCIS in 1997 at the Norfolk Field Office. He subsequently served in a variety of organizational assignments and mission areas both within the United States and abroad. Those assignments included NCIS Resident Agency Oceana, VA, NCIS Resident Agency Keflavik, Iceland and NCIS Resident Unit Misawa, Japan.

Special Agent Snowdon entered the NCIS supervisory ranks in 2004 and filled roles as Supervisory Special Agent for counter-terrorism at the Northwest Field Office in Bangor, WA and Supervisory Special Agent for criminal investigations and operations at NCIS Resident Agency Bremerton, WA. From 2008 to 2010, he served as Assistant Special Agent in Charge of the Northwest Field Office with operational responsibilities throughout the Pacific Northwest, British Columbia and Alaska.

Special Agent Snowdon attended Boston University and holds a graduate degree in National Security and Strategic Studies from the United States Naval War College in Newport, RI. He began his law enforcement career in 1992 as a police officer and detective at the Manchester (NH) Police Department.

He was commissioned as a United States Naval Officer in 1988 and received his wings as a Naval Flight Officer in 1989. He flew numerous operational missions in the P-3C Orion aircraft both on active duty and reserve status through 1997.

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Naval Criminal Investigative Service
27130 Telegraph Road, Quantico, VA 22134

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