US military test flies new jet airplane X-1A and test fires new guided missile "Regulus"

The video discusses the Bell X-1A, an experimental aircraft launched from a B-29 at Edwards, California, capable of flying faster than 1,700 miles per hour. It follows the X-1, the first piloted plane to break the sound barrier. The video also covers the Regulus missile, a guided missile by the Navy that can carry atomic explosives. It highlights the missile's rocket-assisted takeoff, jettisoning of rocket containers, and jet power transition. Test missiles are recoverable, and a parachute aids in landing. The video concludes with shipboard firing demonstrations and mentions the Marines' capability to launch the Regulus.

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