Toward the Unknown (1956)

"Somewhere at a secluded U.S. Air Force Base lives a picked handful of very special men — the rocket pilots of outer space and the eerie experimental craft that rule the skies beyond the sky..."

Tortured into a false confession while a POW in Korea, Major Lincoln Bond returns to active service as a test pilot. Determined to clear his name, Bond battles a hard-nosed base commander, prejudiced officers and his own insecurities.