Читать книгу U.S. Army Field Manual 7-93 Long-Range Surveillance Unit Operations - United States Army - Страница 11

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Long-range surveillance operations are carried out by small, highly trained teams who infiltrate and exfiltrate contested areas by air (helicopter or fixed-wing aircraft), parachute, ground (vehicle or foot), water, or a combination of these methods.

a. During retrograde operations or withdrawal of covering forces in defensive operations, teams may be employed in a stay-behind mode. Once inserted, the teams in a stay-behind role set up a hide site that provides security, cover, and concealment. A surveillance site is then setup, normally during darkness or other limited visibility. The surveillance site is located where it can provide the most coverage of the specific point, route, or area to be observed. Contact is made between the surveillance site and the hide site primarily during limited visibility. In some situations, the hide and surveillance sites are combined. However, the surveillance site frequently obtains information that must be reported immediately. In such cases, a team member goes to the hide site to report the information or uses a tactical FM radio or landline. The long-range surveillance team should use the most secure means of communication available between the hide site and the surveillance site.

b. Combat information reported by the surveillance site is normally consolidated at the hide site. This information is sent to the LRSU operations section by secure, rapid HF or SATCOM devices. A data-burst transmission device enhances communication security and reduces transmission time. Messages are sent at predetermined times or as immediate spot reports. To reduce the possibility of detection, teams use separate communication sites, directional antennas, and terrain masking techniques. Some areas may be monitored by sensor devices emplaced by the teams. These devices normally transmit their signals to a receiving station in the corps or division area.