Welcome to The Hill’s Defense & NatSec newsletter{beacon} Defense &National Security Defense &National Security   The Big Story Investigations underway into ...
An American Airlines flight and a Sikorsky military helicopter collided and crashed into the Potomac River near Reagan National Airport on Wednesday night and officials said Thursday morning that ...
U.S. military and aviation officials are investigating the mid-air collision of a Sikorsky helicopter with a passenger ... Sikorsky is also making a new fleet of CH-53K King Stallion helicopters ...
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