The United States men's national ice hockey team is based in Colorado Springs, Colorado, with its U18 and U17 development program in Ann Arbor, Michigan. The team is controlled by USA Hockey, the governing body for amateur and Olympic ice hockey in the United States. The US team is ranked 6th in the IIHF World Rankings. The United States won gold medals at the 1960 and 1980 Winter Olympics and more recently, silver medals at the 2002 and 2010 Winter Olympics. The United States won the 1996 World Cup of Hockey but was unable to defend its title at the 2004 World Cup of Hockey, losing to Finland in the semifinals. The team's most recent medal at the World Championships came with a bronze in 2013. They won the tournament in 1933. Its current head coach is Dan Bylsma. As of 2007, the United States has a total of 480,038 registered ice hockey players. The United States is a member of the so-called "Big Seven", the unofficial group of the seven strongest men's ice hockey nations, along with Canada, the Czech Republic, Finland, Russia, Slovakia, and Sweden.