The Army Black Hawk helicopter involved in the fatal midair collision in Washington, D.C., had a tracking system turned off, Sen. Ted Cruz said.

Conditions of the Potomac River Saturday have improved as officials recover the remains of people who died in the collision.

Senate Commerce Committee chair Ted Cruz told reporters the Black Hawk helicopter had (ADS-B), which is permitted for military aircraft. “This was a training mission, so there was no compelling national security reason for ADS-B to be turned off,