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. https://blog.geaviation.com/product/testing-testing-1-2-3-the-u-s-s-first-jet-engine-began-formal-testing-77-years-ago/
blog article
SHARESHARESHARE
THE U.S.’S FIRST JET ENGINE BEGAN FORMAL TESTING 77 YEARS AGO
First Engine to Test (FETT) is a major milestone on every engine program.  So, imagine the anxiety and excitement when GE’s first jet engine began formal testing 77 years ago in Lynn, Mass. The GE team ran its first engine within seven months of the US Government’s decision to build a jet engine and a short six months after the first set of drawings was received. The I-A FETT is not only a story of technical innovation and engineering skill, but also a story of international collaboration and a cloak of secrecy. READ MORE