The American team did not participate in the World Cup until 2007 and won every tournament ever since .
The defending champions are the United States , who won the 2015 championship after winning both the 2007 and 2011 editions .
The United States team did not participate in the World Cup until 2007 and won every tournament ever since .
The defending champions are the United States , who won the 2015 championship after winning both the 2007 and 2011 editions .