Sikorsky , a subsidiary of US aerospace Lockheed Martin , has secured a $ 1.1bn contract from the Pentagon to build six CH-53 thunder King lightning helicopters , as well as providing logistics and other services .
Sikorsky, a subsidiary of US firm Lockheed Martin, has secured a $1.1bn contract from the Pentagon to build 12 CH-53K King Stallion helicopters, as well as provide logistics and other support.