Master Chief David Sandeen enlisted in the United States Navy in June, 1986 from Lanesboro, Iowa. After completing Recruit Training in Great lakes, Illinois, he reported to Data Processing Apprenticeship School, followed by Naval Intelligence Processing Systems Training Facility, before reporting to his first ship in November.
Master Chief Sandeen’s sea duty assignments include assignments in USS Forrestal (CV 59), USS Nassau (LHA 4), USS Chung-Hoon (DDG 93), Command Standing Navy Combat Element, as well as serving as CMC on board USS Bainbridge (DDG 96). He has seen multiple deployments to the North Atlantic, Pacific Ocean, Indian Ocean, Arabian Gulf, Mediterranean Sea and operations and port visits in both the Northern and Southern Hemispheres, as well as humanitarian relief efforts in Japan following the earthquake and tsunami of 2011.
Ashore, Master Chief served at Naval Security Group Activity (NSGA) Charleston SC, Navy and Marine Corps Internet (NMCI) Norfolk VA, Defense Intelligence Agency (DIA) Detachment Pacific Command Pearl Harbor HI, and North Atlantic Treaty Organization (NATO) Communications and Information Agency (NCIA) Norfolk VA. A 10 year break in service allowed him to serve at Navy and Marine Corps Reserve center in Des Moines IA and Milwaukee WI.
He is a graduate of the United States Air Force Senior Non-commissioned Officer Academy 2012 (Class 12-D), and Chief of the Boat/Command Master Chief Course Class (188).
Master Chief Sandeen is designated as an Enlisted Expeditionary Warfare Specialist, Enlisted Information Warfare Specialist, Enlisted Surface Warfare Specialist and Enlisted Aviation Warfare Specialist. He has been awarded the Meritorious Service Medal, Joint Defense Meritorious Service Medal (two awards), Joint Service Commendation Medal (two awards), Navy and Marine Corps Achievement Medal (four awards) and various unit and campaign awards.