CHALLENGE OF THE UNKNOWN, THE

Duration: 25 min

Year Published: 1967

Creator: Department of the Air Force (Department of Defense)

Color: Color

Sound: Optical sound

Description: Depicts Air Force research activities on matter, energy, life and the atom. Points out the wonders of science and developments. Describes progress in missile, aircraft and space projects.

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Record added: 2026-07-01 03:45:36