agents in the field

agent / agent network / agents

humanitarian agents

sampling and identification of biological, chemical and radiological agents (SIBCRA)

work through locally recruited agents

intelligence agents and officials

V-Series nerve agents

field officer (field-grade officer / senior officer)

field, in the field

air support field pack, field pack air support, airborne / para (air support) / pathfinder Bergen

combat field pack, field pack

acoustic field

antiamphibious minefield  (anti-amphibious mine field)

army in the field

command field exercise (CFX)

crisis medicine field demonstration

fast-moving battle (field)

FH70 field howitzer (towed / self-moving)

field

field ambulance

field and command post exercise

field army

field army signal brigade

Field Artillery (FA)

field artillery delivery system

field artillery howitzer battalion

field cap

field commander

field communications wire

field court-martial

field craft

field depot

field dressing