Air-traffic control radar appears to have measured a US Army helicopter flying at a lower altitude than an American Airlines ...

Newly released data from ground-based radar came out Tuesday suggesting an Army helicopter was higher than it was supposed to ...

According to analysts, China hypersonic radar is capable of detecting and tracking incoming missile threats within a range of ...

Army Blackhawk helicopter that collided with an American Eagle flight over the Potomac River​ late last month was flying with a safety system turned off, Sen. Ted Cruz told reporters after a briefing ...

Radar evidence proves that the Black Hawk helicopter was not flying low enough during collision with American Airlines Flight ...

The National Transportation Safety Board says the helicopter must be recovered from the Potomac River so it can get more ...

Distinctive octagonal array and six stories tall, the new radar is China’s new shield that detects missile threats well ...

The National Transportation Safety Administration says the Army Black Hawk helicopter that collided with an American Airlines ...

Flight data posted online appears to show another Army helicopter flying higher than the maximum altitude allowed around ...

A U.S. Army helicopter was flying higher than permitted limits when it collided in midair with an American Airlines Group Inc ...