We have the F-32 fighter in preproduction that will be our front-line fighter for the next five to ten years.
This aircraft was chosen because it was less expensive to operate than front-line fighters.
The Phantom's service as a front-line fighter would be short-lived.
We don't even have Scorpions on our front-line fighters yet.
If many front-line fighters, bombers, tanks and other equipment were lost, the Pentagon might want to replace some with new orders.
A spaceplane lumbering down through the atmosphere would be no match for front-line fighters.
Maneuverability, radar and weapons loads were expected to be similar to those of current front-line fighters.
Igor and Garik-they were the ones really suited to the role of front-line fighters.
They're not ordinary front-line fighters; they're really good, and they don't let anything stand in their way.
Of course, the judges seemed to think that Israel's front-line fighters in the daily struggle for survival were confronting civilized opponents.