Nevada United States 1936 stock video footage and royalty free HD video clips and photos.(page 2229).

Officers read and then burn secret cryptographic messages during WW2.

United States training film about handling of cryptographic messages during WWII. Colonel receives secret documents in his office. Hand stamping of documents with word, "SECRET" View of warning page reads in part, "THE MAKING OF AN EXACT COPY OF THIS MESSAGE IS FORBIDDEN" A message center envelope is opened and then given to several different officers. Colonel sitting at his desk tears and burns a paper message and throws it into an ash can. Major Doyle reads sample secret message saying, "D-Day is 30th of October...." A soldier burns a paper message and stirs the ashes in his ash can. Colonel opens a secret message and then looks in a file cabinet. He burns a paper message. Major Doyle warns that "cryptographic and clear text versions are never pursed together in the same file" as he leads officer into a secure office and locks a steel gate behind them.

Location: United States USA

Date: 1941

Duration: 3 min 59 sec

Sound: Yes

Color: Monochrome

Clip Type: Edited

Language: English

Clip: 65675038289

Officer shows enemy log book containing intelligence information obtained by intercepting American communication systems

United States Air Force officer shows pages from enemy log book containing intelligence information obtained by intercepting American communication system. A document aimed at establishment of operations to ensure communication security.

Location: United States USA

Date: 1974

Duration: 2 min 57 sec

Sound: Yes

Color: Color

Clip Type: Edited

Language: English

Clip: 65675038308

USAF Security Service activities to detect and prevent intercept of classified or secret information from electromagnetic emanations

View of a TV screen image distorted by emanations from an electric razor held nearby A woman typing on a classified message teletype typewriter machine. Signals being detected on an oscilloscope screen. Closeup view of round head of typewriter applying type while typewriter is in use. View of woman typing a letter or memo on an early model electronic typewriter. Two Airmen walking toward the entrance of the Headquarters, United States Air Force Security Service. A Security Service van used to detect electromagnetic emanations capable of intercept. Air Force technicians charting such problems.

Location: United States USA

Date: 1974

Duration: 1 min 4 sec

Sound: Yes

Color: Color

Clip Type: Edited

Language: English

Clip: 65675038309

Blizzards bury Washington DC, New York, and Constantinople under thick cover of snow

Newsreel titled 'Snow king pays visit to national capital' shows thick snow over trees and roads around United States Capitol in Washington D.C due to blizzard. Snow covered parks in New York as a horse driven sledge passes by the road. A snow covered mosque in Constantinople.

Location: United States USA

Date: 1928, March 3

Duration: 1 min 36 sec

Sound: No

Color: Monochrome

Clip Type: Edited

Language: English

Clip: 65675038380