NAVADMIN 163/03, Naples and Sigonella, Type Duty code change from 3 to 6 for Naples and Sigonella, June 2003.
NAVADMIN 054/04, Guam, Type Duty code change from 3 to 6 for Guam, March 2004. Hyperlink to Policy Memo listing Guam UICs affected: Guam Type Duty Code 3 to 6 Policy Memo.
NAVADMIN 144/05, Type Duty code change from 3 to 6 for some commands in San Nicholas Island, Portugal, Italy, Austalia, United Kingdom, Spain, Singapore, Phillippines, Puerto Rico, etc., June 2005.
NAVADMIN 015/06, Type Duty code change from 3 to 6 for some commands in San Clemente Island, Kodiak AK, India, Egypt, Russia, Peru, GTMO Bay, La Madalena IT, Korea, etc., January 2006.