Word: armorers
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Dates: during 1940-1949
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...mixture of TNT and ammonium nitrate for artillery shells and aerial bombs), smokeless powder (long in use as a propellant), tetryl (used in shell boosters to provoke the detonation of laggardly TNT or amatol). Least sensitive of all the Ordnance powders is ammonium pictrate, which is used in armor-piercing projectiles because it can wham through steel without going off at first impact...
Nilcolayev, a center of shipbuilding, had scarcely an intact factory. A partly completed 35,000-ton battleship had been blown up. A cruiser, one-third armor-plated, lay toppled off its ways, which had been burned under it. Two unfinished submarines had also been destroyed...
Meanwhile the Army is beginning to get 30-ton mediums. In the Armored Force, plans are already afoot to use a bigger proportion of the mediums (armed with 75 mm. cannon) and an improved M-4 model is soon to go into production (biggest improvements: a revolving turret for the 75, lower silhouette, a partly welded, partly cast armor hull). British officers now concede that today's M-3 model is the finest thing on the ground...
...Armor plate: running 14% behind schedule, but picking up fast...
With this addition, total U.S. electric steel capacity will be 3,900,000 tons, 50% more than at year's beginning. The clean heat of an electric furnace produces tough, highly resilient steels for bullet-resistant armor plate, shells and gun barrels. Practically all U.S. electric steel now produced goes directly into arms...