By 
Sikorsky has completed the last of its its critical flight expansion activities for its CH-53K ahead of its first delivery of the aircraft to the Marine Corps later in 2018, with a successful external lift test to carry a maximum weight payload, the company said Wednesday.The Lockheed Martin [LMT] owned aircraft company flew its CH-53K King Stallion with a 36,000-pound payload on a single center point cargo hook, while maintaining satisfactory handling capabilities and structural margins."The successful completion of these…
