(14) Analysis of damage to friendly defenses by enemy fire.
(15) Analysis of terrain features, such as types of vegetation in specific
areas.
(16) Damage assessment coverage of enemy installations during advance.
(17) Detailed coverage of enemy positions, strong points and installations
during an advance.
(18) Location of targets for counterbattery, harassing
and
interdiction
fires, and those appropriate for attack by nuclear weapons.
2.
Terrain Documentation.
a. Natural terrain features.
Requests for terrain coverage are usually
concerned with landmarks, general topography, major stream routes, critical
slopes, stream crossings, type of field boundaries, swamps, marshes, and various
kinds of terrain obstacles.
(1) Photographic requirements consist primarily of panoramics.
However,
closeups will often provide valuable information on the types of soils, degree of
erosion, condition of beaches, and similar details of tactical importance.
(2) This
coverage is further supplemented by distant views to tie in
landmarks, and
medium views to locate and relate landmarks to the overall
landscape.
b. Man-made features.
Man-made features are installations and facilities
that might become military targets.
Types of man-made features are cities,
harbors, bridges, tunnels, dams, locks, reservoirs, transfer and transshipping
facilities, and weather and observation stations.
(1) Pictorial documentation concentrates on site locations, relation to
basic servicing net, structural features, road width, clearances, and similar
aspects of each kind of terrain detail.
(2) Photography is accomplished from distant viewpoints to disclose the
area and approaches.
(3) Medium views and close-ups show structure and detail.
For extensive
targets, panoramics are essential.
c. Flora. Flora generally consists of underbrush, grasses, trees, or swamp
and marsh plants. Of primary interest are the location, size, shape, structure,
density, branching habit and other vital features of the principle type of flora
of a given region.
(1) In areas where vegetation
is a real obstacle in
terms of
military
tactics,
complete
pictorial
documentation
of
these
conditions
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