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This is a list of United States Army fire control, and sighting material by supply catalog designation, or Standard Nomenclature List (SNL) group "F".The United States Army Ordnance Corps Supply Catalog used an alpha-numeric nomenclature system from about the mid-1920s to about 1958.
The Machine Gun Fire or Camp Williams Fire was a wildfire in Herriman, Utah in 2010 that burned several dwellings. It was started by a mistake at a firing range by National Guard troops on a training exercise. 4,351 acres burned, approximately 1600 homes were evacuated, and 3 homes were destroyed.
Coincidence rangefinders were important elements of fire control systems for long-range naval guns and land-based coastal artillery circa 1890–1960. They were also used in rangefinder cameras. A stereoscopic rangefinder looks similar, but has two eyepieces and uses a different principle, based on binocular vision. The two can normally be ...
Below is a list of fires that exceeded 1,000 acres (4.0 km 2) or caused a notable amount of damage during the 2002 fire season. [3] ... Williams Fire. References
Iron sights are a system of physical alignment markers used as a sighting device to assist the accurate aiming of ranged weapons such as firearms, airguns, crossbows, and bows, or less commonly as a primitive finder sight for optical telescopes. Iron sights, which are typically made of metal, are the earliest and simplest type of sighting device.
A USFS Fire Lookout using an Osborne Firefinder while on duty at Vetter Mountain, California. The device is used by moving the sights until the observer can peek through the nearer sighting hole and view the cross hairs in the further sight aligned with the fire. The fire lookout notes the degrees on the graduated ring beneath the sight. Early ...
The system is made up of the gun mount itself, the fire-control computer, and an optical sight. [ 1 ] [ 2 ] The Mk 34 GWS was developed to improve the Arleigh Burke -class destroyer's ability to use the Mk 45 gun against a variety of threats. [ 2 ]
Mark III free gun reflector sight mk 9 variant. Another type of optical sight is the reflector (or "reflex") sight, a generally non-magnifying optical device that allows the user to look through a glass element and see a reflection of an illuminated aiming point or some other image superimposed on the field of view. [7]
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