field of operations

Noun

1.

field of operations - a region in which active military operations are in progress; "the army was in the field awaiting action"; "he served in the Vietnam theater for three years" Synonyms: theater of operations, theatre of operations, theatre, theater, field

armed forces, armed services, combat area, combat zone, field, military, military machine, region, theater, theater of operations, theater of war, theatre, theatre of operations, theatre of war, war machine