Question: 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?
Sentence (from "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.
Relevant evidence: Yes