The Romanian air force and the US air force held a joint military exercise to send a message to russia. The General Dynamics (now Lockheed Martin) F-16 .br Romanian Mig 21 US F 16 Air force JOIN FORCES in military exercise.br The Romanian air force and the US air force held a joint military exercise to send a message to russia. The General Dynamics (now Lockheed Martin) F-16 .br br The Romanian air force and the US air force held a joint military exercise to send a message to russia. The General Dynamics (now Lockheed Martin) F-16 .