The Department of Energy has paused the firings of hundreds of employees who work for a key agency maintaining the U.S.

If confirmed by the U.S. Senate, he will also be the administrator of the National Nuclear Security Administration. The National Nuclear Security Administration was established in 2000 and is ...

A helicopter outfitted with radiological detection equipment has been making low-altitude flights over New Orleans and ...

A US military helicopter that hit a passenger jet in Washington was practicing emergency evacuation plans. It is not clear ...

Just over 24 hours before the fatal collision, a different regional jet had to go around for a second chance at landing at Reagan National after it was advised about a military helicopter nearby ...

The FAA says the crew of Republic Airways Flight 4514 had to perform a "go-around" at Ronald Reagan Washington National Airport (DCA) around 8 p.m. Tuesday after learning a military helicopter was ...

The Federal Aviation Administration (FAA) has banned virtually all helicopter flights around Reagan National Airport and parts of the surrounding Potomac River. This comes in the tragic collision of a ...

WASHINGTON — Federal authorities have restricted helicopter flights near Ronald Reagan Washington National Airport ... The Federal Aviation Administration will limit helicopter flights on ...

Three Army soldiers, one pilot and two crew members, were killed when their helicopter crashed into ... government emergency or threat to national security. The crewmembers on board were training ...

The DOE's National Nuclear Security Administration will conduct the flights using a Leonardo AW-139 helicopter. In a statement, the DOE said, "The public may see a Leonardo AW-139 helicopter, which is ...