The presidential helicopter isn’t supposed to leave scorch marks on the White House lawn. So the Navy and Lockheed Martin Corp. are working to fix a “high risk” problem after the new Marine One did just that in a test without the president on board.
The first in a $5 billion fleet of new Marine One helicopters is supposed to be ready to go into service by September 2020. President Donald Trump already has showcased the new aircraft with a flyover during his Fourth of July appearance in Washington.
