field field of operations theater theater of operations theatre theatre of operations
field%1:15:03:: field_of_operations%1:15:00:: theater%1:15:00:: theater_of_operations%1:15:00:: theatre%1:15:00:: theatre_of_operations%1:15:00::
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