The accuracy of sound location varies but can locate firing mortars to about 100 meters. It continually improves the positions until the mortars displace. The explosive radius of mortar grenades is larger than that of explosion packs. EuroMix Masonry Mortar is a premixed blend of dried sands, cement and additives designed to produce a mortar with excellent workability and durability. It reports the location of all contaminated areas. Therefore, squad leaders must be prepared to compute firing data. Also, armor gives no protection against flames. The mortar platoon normally moves as part of a larger group, but it may move independently for short distances. The leader must decide when it is appropriate to initiate or terminate a certain procedure. The FDC must be protected by earth and overhead cover. b. Terrain Mortar Position Corrections. The platoon leader determines the route from the RP to the new position area. For example, he can fire out of deeper defilade and still cover the battalion (or company's) sector. The commander or platoon leader must be careful that his flight plan does not compromise the route or the new position area. However, wire is the primary means of communication between the FDC and mortars. Deep defilade protects mortar positions from field gun and howitzer fires but not from enemy mortar fires. b. The parallel formation is used to employ two or more mortars where the terrain allows dispersion of the mortars and maximum cover and concealment. The high-survivability mortar position requires from 150 to 300 man-hours to complete by hand, depending on the soil.
The marines reported that this fire had little effect once they had prepared proper field fortifications. It also identifies possible ambush sites. Positioning close to access routes should not prevent concealment. The thermite canisters scatter and burn intensely, causing fires in exposed ammunition and fuel (Figure 7-1). As position improvement continues, construct ammunition bunkers. Registration and meteorological data improve the accuracy for the nonadjusted section. b. After the position's general location is selected, the exact baseplate position is marked and construction begins. Vehicle interval in an open column is about 100 meters. This may result in the following: Once the occupation is completed and the platoon is ready to answer calls for fire, sustainment begins. When mortars support defensive operations, the greatest threats are enemy reconnaissance and main forces. 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