How many world cups have the US mens team won?

The United States men's national football team have participated in nine FIFA World Cups. Having finished in third place in 1930, they exited in the first round in 1938 and 1950, did not qualify between 1954 and 1986, exited in round 1 in 1990, reached the last 16 in 1994, exited in round 1 in 1998, reached the quarter finals in 2002, exited in round 1 in 2006, and, as of this writing, have reached the quarter finals of the 2010 tournament.