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observation
['ɔbzə'veɪʃ(ə)n]
abbr.
abbr.
obbo
؛
observ
؛
obsv
abbr., mil.
obsn
؛
obsr
mil., logist.
The condition of weather and terrain that permits a force to see the friendly, enemy, and neutral personnel and systems, and key aspects of the environment.
(FRA)
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