Jonathan Koziol, a retired Army chief warrant officer with more than 30 years of flight experience, told reporters that the flight was a nighttime qualification flight with an instructor pilot evaluating an experienced pilot on the flight routes that their unit routinely flies day and night around the Potomac River.

As investigators look into the cause of Wednesday night's plane crash, pilots share their initial take on the collision.

Below are the names of the victims that we know so far. Click on each square to learn more about those killed. This article will be updated as new information becomes available. Viewing in the app? Click here to learn more about those who were onboard.