The milestone of breaking the sound barrier occurred on which date?

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Prepare for the CA-782nd Air Force JROTC Airman Knowledge Test. Access comprehensive study materials, including flashcards and multiple-choice questions with hints and explanations. Ace your exam with confidence!

Multiple Choice

The milestone of breaking the sound barrier occurred on which date?

Explanation:
Breaking the sound barrier means flying faster than the speed of sound in level, controlled flight. The first time this was achieved occurred on October 14, 1947, when Chuck Yeager piloted the Bell X-1 to break Mach 1 while flying at about 45,000 feet. This milestone showed that aircraft could operate successfully in the supersonic regime and opened the era of high-speed aviation. The other dates don’t correspond to this historic achievement.

Breaking the sound barrier means flying faster than the speed of sound in level, controlled flight. The first time this was achieved occurred on October 14, 1947, when Chuck Yeager piloted the Bell X-1 to break Mach 1 while flying at about 45,000 feet. This milestone showed that aircraft could operate successfully in the supersonic regime and opened the era of high-speed aviation. The other dates don’t correspond to this historic achievement.

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