Sikorsky S-80 (CH-53E) Super Stallion and (MH-65E) Sea Dragon TYPE: Heavy-duty multi-role helicopter. PROGRAMME: The original CH-53D was a very capable heavy lift helicopter, but in the 1970s it was clear a even more capable helicopter could be built. In 1973 the Sikorsky S-65 was selected for further development as the S-80. In May 1973, the YCH-53E prototypes were constructed. The first ...