Sisters and figure skaters Everly and Alydia Livingston are among the victims of the American Airlines plane crash over the Potomac River in Washington ... The helicopter held three U.S. soldiers.

Everly, 14, and Alydia, 11, died in a midair collision over the Potomac River, along with their parents ... They were known online as "The Ice Skating Sisters," and when they crisscrossed the ...