5925317 Firing Behind Cover, 1914 (lantern slide) by Unknown photographer, (20th century); National Army Museum, London; (add.info.: Firing Behind Cover, 1914. Lantern slide, World War One, Home Front (1914-1918), 1914. According to the ?Musketry Regulations? of 1909 (reprinted with minor amendments in 1914) the purpose of musketry training was to render the individual soldier proficient in the use of small-arms, to make him acquainted with the capabilities of the weapon with which he was armed, and to give him confidence in its power and accuracy. The recruits? course of instruction included a general description of the rifles (usually the Short Magazine Lee-Enfield Marks III and IV) and ammunition used, the care of arms, the theory of rifle fire, aiming and firing, visual training and judging distance. From a box of 43 lantern slides associated with musketry drill.); by National Army Museum ; out of copyright.