In the three years before the deadly collision between an Army helicopter and an American Airlines flight near Reagan National Airport, at least two other pilots reported near-misses with helicopters while landing at the airport,

Ryan Austin O’Hara of Lilburn, Georgia has died as well as 39-year-old Chief Warrant Officer 2 Andrew Loyd Eaves of Great Mills, Maryland whose remains have yet to be recovered. A third soldier’s name is currently being withheld at the request of the family.

Airline pilots have warned of the potential dangers that helicopters posed in the Washington area before the fatal crash at Reagan National Airport on Wednesday night.