The U.S. government has conceded failures on the part of pilots and an air traffic controller at Reagan National Airport that led to the deadly mid-air crash in January.

The Senate has moved quickly to close a loophole that could allow military aircraft to fly without broadcasting their locations, just like an Army helicopter was doing last January before it collided with an airliner over Washington,

U.S. Transportation Secretary Sean Duffy said he will not allow military helicopters and commercial passenger planes to come in close proximity to each other near Reagan Washington National Airport.

WASHINGTON — The airspace around Washington, D.C., is congested and complex — a combination aviation experts long worried could lead to catastrophe. Those fears materialized Wednesday night when an American Airlines plane collided with a military helicopter, taking the lives of 67 people, including three soldiers and more than a dozen figure skaters.

Senators from both parties are pushing to change a defense bill after crash investigators and victims' families warned it could undo key safety reforms.

The FAA highlighted changes to the Washington DC and Baltimore helicopter route chart following the January 29 midair collision between a PSA Airlines CRJ700 and U.S. Army Black Hawk helicopter.