Sitting administrator Chris Rocheleau acknowledges that the Federal Aviation Administration missed alarming data trends in the years leading up to the collision of an American Airlines regional jet and a military helicopter near Washington,

Testifying for the first time in front of the Senate Subcommittee on Aviation, acting Federal Aviation Administrator Chris Rocheleau admitted that "something was missed."

The head of the National Transportation Safety Board says if investigators were able to quickly find alarming data about the number of close calls in the years before the fatal midair collision over the nation’s capital in January,