General Atomics Aeronautical Systems has confirmed that it is now flying two examples of its YFQ-42A prototype fighter.
The second aircraft is conducting flight testing under the US Air Force's Collaborative Combat Aircraft programme.
Photos released by General Atomics show two fully capable YFQ-42As, with one of the jets having a tail number of 004.
Previously, the inaugural sortie of YFQ-42A was made by tail number 002 in August.
General Atomics confirmed it is flying two examples of the prototype fighter in response to an inquiry from FlightGlobal.
Author's summary: General Atomics flies second YFQ-42A prototype.