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.

Officials say the airport is operating normally but stress that passengers should check with their airlines for delays or cancellations.