New details revealed by The Times show that the failures on Jan. 29 before an Army helicopter crashed into a jet near Reagan National Airport were far more complex than previously known.

Evgenia Shishkova and Vadim Naumov compete at the 1994 Winter Olympics in Norway. (Getty Images) The Russian news agency Tass reported that Evgenia Shishkova and Vadim Naumov, a married couple who ...