When senators grilled the Federal Aviation Administration last week about how the agency could have let the high number of close calls between helicopters and commercial jetliners occur at Ronald Reagan Washington National Airport,

The Federal Aviation Administration (FAA) is investigating a close call that occurred on Friday between a Delta Air Lines flight and a U.S. Air Force jet near Reagan Washington National Airport

A Delta flight's close call with military jets near Reagan National has raised eyebrows and questions. Senators demand answers as safety concerns grow.