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Army officer explains the drafting process of cryptographic security in terms of sending military messages
United States army officer explains the method of drafting a cryptographic message to officers at a message center in United States. He provides guidelines for preparing a concise message as a man paraphrases a cryptographic message.
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.
WW2 USA training film about protecting cryptographic messages
A United States military convoy on a road during WWII. Some footage dramatized. Aerial view of convoy from fighter plane. Smoke screen dispersed by plane next to military convoy. Fast moving tanks drive through smoke screen. A very fast tank takes air as it jumps over large mound and comes crashing to the ground. A tank blasted by howitzers loses its tread in explosion. Major Stewart Doyle talks to officers and notes that "it is the duty of every officer when capture is imminent to destroy all codes, documents, and cypher device settings...." In dramatization, a United States army officer transcribes a radio message onto a piece of paper and hands it to a soldier. The soldier, wearing goggles, gets onto a motorcycle and speeds away. View of German sniper shooting motorcycle messenger speeding down road. German soldier steals message bag. German cryptographic decipher team working. Close up of clock as time changes in montage. German radio officer receives message. Convoy on road. German pilots receive command in office. Allied convoy being attacked by fighter planes. Major Doyle reminds viewers to "know your rules on cryptographic security measures...."
Pilot puts on oxygen mask and helmet before boarding United States Army Air Force plane P-38.
U.S. Army Air Force plane P-38 taxiing in. Pilot puts on oxygen mask along with helmet and rides a bicycle. Pilot boards P-38 and P-38 in flight
Test flight of B-17 Flying Fortress.
Shows test flight of B-17E Flying Fortress aircraft. Aerial views of B-17E in flight
Arthur Starnes making a delayed parachute jump from six miles up in an Army experiment.
Arthur Starnes with parachute bag and loaded with other equipment, puts on oxygen mask and boarding C-45 aircraft. Plane taking off and Arthur Starnes drops from sky for five miles in Army experiment, before opening his parachute late at 1500 feet, and is greeted by his wife and son. The test helps the military to understand conditions for pilots and crews bailing out of military aircraft as U.S. participation in World War 2 nears.