Nationals Park opened on March 30, 2008, when President George W. Bush threw the ceremonial first pitch. Because it is located on a navy shipyard, a submarine dive horn is used after all Nationals' home runs and victories. On October 7, 2012, the Nationals made the playoffs for the first time since relocating to Washington, D.C. On January 1, 2015, it hosted the NHL Winter Classic, in which the Washington Capitals defeated the Chicago Blackhawks. On July 17, 2018, it hosted its first All-Star game. Its field dimensions are 337 feet to left, 377 feet to left center, 402 feet to center, 370 feet to right center, and 335 feet to right.