field artillery

firearms used on the battlefield (i.e. mounted guns or rocket launchers)

Field artillery is a category of mobile artillery weapon used to support armies in the field. These weapons are specialized for mobility and tactical efficiency, and not for long range nor sheer destructive power.
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Noun
1. movable artillery (other than antiaircraft) used by armies in the field (especially for direct support of front-line troops)
(synonym) field gun
(hypernym) artillery, heavy weapon, gun, ordnance

field-artillery /'fi:ldə'lauəns/
danh từ, (quân sự) (như) field-piece (Field-Artillery) binh chủng pháo dã chiến
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