The Painted Desert in Arizona to finish the interior scenes on the studio lot in Hollywood. Ninety percent of the film was shot in Arizona, between the Painted Desert in Dinosaur Canyon, and Tuba City, Arizona, as well as a nearby Indian reservation. In mid-November it was reported that the recording portion of the film had been completed. Clarence Kolster edited the film during December 1930. By November, advertisements promoting the film were being released to the trade papers. Produced by Pathé Exchange, the film would become part of the RKO Radio Pictures library when they purchased the studio in March, after which
German submarine U-505 one botched patrol her crew found a sign painted in the docking area reading: ""U-505"s Hunting Ground". At a time when many U-boats were being sunk, "U-505"s commander, "Kptlt." Zschech, overheard another U-boat commander joke, "There is one commander who will always come back ... Zschech." After ten months in Lorient, "U-505" departed for her tenth Atlantic patrol, seeking to break her run of bad luck and bad morale. On 24 October 1943, not long after crossing the Bay of Biscay, "U-505" was spotted by British destroyers east of the Azores and was forced to submerge and endure a severe