Trench code
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Trench codes were codes used for secrecy by field armies in World War I. Messages by field telephone, radio and carrier pigeons could be intercepted, hence the need for tactical World War I cryptograp
Seneca code cover.agr
Seneca code instructions.agr
Seneca code encoding.agr
Seneca code decoding sample.agr
Barrage (artillery)
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In military usage, a barrage is massed sustained artillery fire aimed at a series of points along a line. In addition to attacking any enemy in the kill zone, a barrage intends to suppress enemy movem
Trench code
…to develop trench codes in early 1916. They started as telephone codes, implemented at the request of a general whose forces had suffered devastating artillery barrages due to indiscretions in telephone conversations between his men. The original telephone code featured a small set of two-letter codewords that were…
A German artillery barrage falling on Allied trenches at Ypres, probably during the Second Battle of Ypres in 1915, during the First World War.
German Trommelfeuer on the Chemin des Dames (31 July 1917)
Men of the Australian Heavy Artillery capping 8-inch (200 mm) shells with '106' (instantaneous) fuzes.
British 4.5 inch gun in action near Tilly-sur-Seulles during the Battle of Normandy, 1944.