The Aggies have been members of the WAC since 2005 and have won several conference championships in that time, including men's basketball in 2008 and 2009, indoor track in 2008, outdoor track in 2007 and 2009, and cross country each year since joining the conference (2005–10). Women's cross country has also won WAC championships in 2006 and 2008, and women's soccer won in 2008. Utah State has won numerous conference championships in previous conferences. National championships include women's volleyball in 1978 and softball in 1980 and 1981. Immediately previous to the WAC, Utah State was a member of the Big West Conference.