The Westinghouse J34 is essentially an enlarged version of a turbojet engine that was the first American-designed turbojet to run, and only the second axial-flow turbojet to run outside of what country?
Westinghouse J34:  Essentially an enlarged version of the earlier Westinghouse J30, the J34 produced 3,000 pounds of thrust, twice as much as the J30. Westinghouse J30: The Westinghouse J30, initially known as the Westinghouse 19XB, was a turbojet engine developed by Westinghouse Electric Corporation. Westinghouse J30:  It was the first American-designed turbojet to run, and only the second axial-flow turbojet to run outside Germany.
Germany