| Date - Field | ChristmasIsland - Geography - note |
2008 January Geography - note | located along major sea lanes of Indian Ocean |
2007 January Geography - note | located along major sea lanes of Indian Ocean |
2006 January Geography - note | located along major sea lanes of Indian Ocean |
2005 January Geography - note | located along major sea lanes of Indian Ocean |
2004 January Geography - note | located along major sea lanes of Indian Ocean |
2003 January Geography - note | located along major sea lanes of Indian Ocean |
2002 January Geography - note | located along major sea lanes of Indian Ocean |
2001 January Geography - note | located along major sea lanes of Indian Ocean |
2000 January Geography - note | located along major sea lanes of Indian Ocean |