(Editor's Note: This story has been updated to include a statement from a Navy spokeswoman.) The Navy has informed House appropriators of a recent cost increase for the Marine Corps' delayed new heavy-lift helicopter. According to the service's fiscal year 2020 budget appeal , obtained by Inside Defense , "the total recurring flyaway cost" of the six FY-20 CH-53K King Stallions jumped from $699.3 million to $742.7 million after the Navy issued a contract modification for Lot 2 and...