Media - Lockheed Martin Sikorsky Delivers CH-53K? Helicopter To U.S. Marine Corps On track to deliver two more in 2022 from digital factory STRATFORD, CONN., July 14, 2022 – Sikorsky, a Lockheed Martin Company (NYSE: LMT), delivered the third Low-Rate Initial Production (LRIP) CH-53K helicopter ahead of contract schedule to the U.S. Marine Corps. This aircraft, built in Sikorsky’s digital factory, is the first CH-53K from the Lot 2 LRIP contract awarded by the U.S. Navy in 2019, and the seventh ...