 Complete the following phrase:  Besides airline orders, a number of non-commercial civil operators also purchased the new Model 10. In May 1937, H.T. Dick Merrill and J.S. Lambie accomplished a round-trip crossing of the Atlantic Ocean. The feat was declared the first round-trip commercial crossing of that ocean by any aircraft. It won them the Harmon Trophy. On the eastbound trip, they carried newsreels of the crash of the 