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|  MIL-G-89103
3.
REQUIREMENTS
3.1 First article. When specified (see 6.2), a sample
shall be subjected to first article inspection (see 6.3) in
accordance with 4.3.
3.2 General. This product has been designed to support
highly localized ground, sea, and air operations where terrain
and other features must be compensated for in order to perform
the specialized mission objective. The GIP is not designed as
a Target Materials product.
3.3
Accuracy.
3.3.1 Horizontal. Will be stated for each GIP based upon
the value derived for the site reference point (RP). Accuracies
will be stated in circular error (CE) (90 percent assurance).
3.3.2 Vertical. Will be stated for each GIP and based
upon the ground elevation at the RP.
3.4 Product identifier. Each GIP will be identified by
site name, country code, coordinates, stock number, and BE
number, if available.
3.5
Product attributes.
3.5.1 Production. The GIP will be produced by
orthorectification of the most recent image based source
materials available to DMA.
3.5.2 Source material date. Source materials older than
three years will not be used. The GIP should be evaluated every
three years to insure currency. More frequent maintenance
updates identified by originating commands will require
submission via JCS Memorandum of Policy (MOP) 31, Submitting and
assigning priorities to Requirements for Mapping, Charting, and
Geodesy (MC&G) Support.
3.5.3
Scale.
There are ten scales as follows:
SCALE
DISTANCE ALONG
1 CM
EACH SIDE
GRID SPACING
FT
M
NM
SM
METERS
1/1,000
787
240
0.130
0.149
10
1/2,000
1,575
480
0.259
0.298
20
1/3,000
2,363
720
0.389
0.447
30
1/4,000
3,150
960
0.518
0.597
40
2
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