gas advisory officer

field officer (field-grade officer / senior officer)

gas gun; (tear) gas launcher

advisory

advisory agency

advisory panel

Medical Advisory Group (MEDAG)

Mental Health Advisory Team (MHAT) (PTSD)

Military Advisory Group (NATO)

Military Assistance Advisory Group (MAAG)

multinational advisory police element

Technology Advisory Board

Advisory Group for Aerospace Research and Development (AGARD)

National Advisory Committee for Aeronautics (NACA)

advisory airspace

advisory approach

advisory area

advisory commission for safety standards

advisory committee

Advisory committee on Post Adjustment Questions

Advisory Committee on Technical and Operational Matters

advisory documents

advisory group on modal issues in the safe transport of radioactive material

advisory joint appeal board

technical advisory panel

Air Traffic Control Advisory Committee

caution and advisory panel / emergency warning signal unit

emergency warning signal unit / caution and advisory panel

Hazardous Materials Advisory Council

advisory and support company

advisory assistance

advisory detachment

Advisory Group for Aeronautical Research and Development