Fire support coordination element Fire support coordination element A fire support coordination element (FSCE) is a term used in the US Army to identify an element of military formation or unit organisation in which functions are directly related to positioning weapons and delivering their fire onto targets. The term is most often associated with artillery, but is sometimes used for mortar fire. During the Vietnam War, the element, which included about five officers and nine enlisted personnel, collected and assessed information provided by the forward observers, field unit liaison officers, AN/TPS-25 surveillance radar section, division artillery air section, visual airborne target locator section, and
Period 3 element as a mineral is almost always present in its maximally oxidized state, as inorganic phosphate rocks. Elemental phosphorus exists in two major forms—white phosphorus and red phosphorus—but due to its high reactivity, phosphorus is never found as a free element on Earth. The first form of elemental phosphorus to be produced (white phosphorus, in 1669) emits a faint glow upon exposure to oxygen – hence its name given from Greek mythology, meaning "light-bearer" (Latin "Lucifer"), referring to the "Morning Star", the planet Venus. Although the term "phosphorescence", meaning glow after illumination, derives from this property of phosphorus, the glow of