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The 155 mm "long tom" about to fire. Only two of the guns fire to get the correct range and direction. When within 25 yards of the target then all four will fire. The shell weighs 94.? lbs. The powder bags can measure up to 3 ft long. Range up to 14 miles but not very accurate at that distance. The shell will be in the air up to six minutes. The rotation of the earth is part of the calcuation. |