intervisibility

By calculating the viewshed, the area visible from each of the sites is derived, as well as their intervisibility.

Survey of the Kales « Interactive Dig Sagalassos – City in the Clouds 2009

Range selection is dependent on the anticipated engagement range; it is affected by terrain intervisibility, weather, and light conditions.

FM 71-1 Chapter 2 Battle Command United States Army 1998

For example, an intervisibility line near an objective area may be key terrain for an assault force within the company team, but may not be considered as key by other companies in the task force operation.

FM 71-1 Chapter 2 Battle Command United States Army 1998

He locates intervisibility lines (terrain that allows observation from one point to another) and assesses the ability of the attacking force to overwatch or support (with direct fire) the movement of its elements.

FM 71-1 Chapter 2 Battle Command United States Army 1998

Based on weapons ranges and intervisibility factors, determine when the enemy can place effective fires on the company team defensive position.

FM 71-1 Chapter 2 Battle Command United States Army 1998

The commander would apply his knowledge of the enemy and terrain to identify individual vehicle positions and, based on intervisibility lines around the objective area, to determine when and where enemy vehicles can engage the company team.

FM 71-1 Chapter 2 Battle Command United States Army 1998

Additional key intervisibility lines identified during war-gaming.

FM 71-1 Chapter 2 Battle Command United States Army 1998

This line should be free from hindrances but there is no need of intervisibility, therefore you can make observations in fog or in other adverse conditions.

xml's Blinklist.com 2008

The size and shape of the engagement area is determined by the degree of relatively unobstructed intervisibility available to the unit’s weapon systems in their firing positions and by the maximum range of those weapons.

FM 71-1 Chapter 2 Battle Command United States Army 1998

A defending enemy’s defensive positions or an attacking enemy’s support positions are normally driven by intervisibility.

FM 71-1 Chapter 2 Battle Command United States Army 1998