"Attempting to negate [TSA workers'] legally binding collective bargaining agreement now makes zero sense – it will only reduce morale and hamper the workforce," said Rep. Bennie G. Thompson, a Democrat from Mississippi and ranking member of the Committee on Homeland Security, in a statement on Friday.

A union representing Transportation Security Administration workers calls the Department of Homeland Security's decision to end the collective bargaining agreement with them an “unprovoked attack.”

The Department of Homeland Security says it's ending the collective bargaining agreement with the tens of thousands of frontline employees at the Transportation Security Administration responsible for