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army land navigation field manual

army land navigation field manual

Army Land Navigation Field Manual

Topographic Map Symbols

Colors and symbols add the detail unique to a topographic map. These details may not be found in gazetteers or travel guides. Map detail includes important information about elevation, water, structures, trails, ground cover and roads; and much more. “The mapmaker has been forced to use symbols to r ...

How a radar system works

Radar is an object-detection system that uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. The radar dish (or antenna) transmits pulses of radio wa ...

Have Guns, Will Upgrade: The M109A7 Paladin PIM Self-Propelled Howitzer

Before: M109 & M992 (click to view full) The USA’s 155mm M109 self-propelled howitzers (SPH) were first introduced in 1962, as a form of armored mobile artillery that could stand up to the massed fire tactics of Soviet heavy artillery and rockets. They and their companion M992 Armored Ammunition Res ...

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