After correcting a series of technical deficiencies on its new heavy-lift helicopter, the Marine Corps plans to start its first shipboard testing of the aircraft this summer. Col. Jack Perrin, the service's heavy-lift program manager, in an interview this week with Inside Defense said the Marine Corps will test the CH-53K King Stallion aboard either a Landing Helicopter Assault (LHA) or Landing Helicopter Dock (LHD) vessel on the East Coast during the summer of 2020. The future milestone comes...