Among the victims were two promising Korean-American figure skaters,Jinna Han,13, andSpencer Lane, 16.
The passenger plane carried 64 people, while the U.S. Army helicopter had three onboard.
An investigation is underway, focusing on why the helicopter and the passenger plane were at the same altitude.
U.S. Secretary of DefensePete Hegsethconfirmed that both the Department of Defense and the Army have launched an investigation.
His remarks were widely criticized for lacking evidence.
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