From left, United States' Missy Franklin, United States' Dana Vollmer, United States' Shannon Vreeland and United States' Allison Schmitt pose with their gold medals for the women's 4x200-meter freestyle relay swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Wednesday, Aug. 1, 2012.
From left, United States' Missy Franklin, United States' Dana Vollmer, United States' Shannon Vreeland and United States' Allison Schmitt pose with their gold medals for the women's 4x200-meter freestyle relay swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Wednesday, Aug. 1, 2012. Michael Sohn AP
From left, United States' Missy Franklin, United States' Dana Vollmer, United States' Shannon Vreeland and United States' Allison Schmitt pose with their gold medals for the women's 4x200-meter freestyle relay swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Wednesday, Aug. 1, 2012. Michael Sohn AP