| 11. | The plane's subsonic speed could make it a target of gunfire from another plane.
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| 12. | With these design considerations and no afterburner, the F-117 is limited to subsonic speeds.
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| 13. | Airflow behind the shock waves of a moving body are reduced to subsonic speeds.
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| 14. | The shock waves generated slowed the air to subsonic speeds relative to the engine.
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| 15. | In contrast a low ballistic coefficient would reach subsonic speeds before reaching the ground.
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| 16. | The pilot immediately slowed the plane to subsonic speed.
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| 17. | The delta-winged jet flew at subsonic speed without passengers.
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| 18. | Therefore, time in the atmosphere at subsonic speed would be considerable, possibly 15 30 minutes.
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| 19. | Air France has tested its Concordes at subsonic speeds.
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| 20. | The drones fly at subsonic speeds and simulate enemy bombers and low-flying antiship cruise missiles.
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