aerial reconnaissance and security troop

troop-carrier squadron / troop carrier squadron

aerial troop carrier

aerial troop carrying

security in troop movement

aerial surveillance and reconnaissance plan

security and reconnaissance patrol

reconnaissance and security line

reconnaissance and security position

automated troop command and control system

headquarters and headquarters battery / company / detachment / troop (HHB / HHC / HHD/ HHT)

transportation and troop movement

aerial reconnaissance

aerial combat reconnaissance

aerial infrared reconnaissance

aerial infrared section (reconnaissance)

aerial reconnaissance section

aerial reconnaissance system

aerial reconnaissance weather officer

aerial reconnaissance by drones

unmanned aerial reconnaissance system

counter reconnaissance / counter-reconnaissance

observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)

security reconnaissance

security agreement (information security, NATO)

air cavalry troop

armored cavalry troop

assault helicopter company / troop

attack helicopter troop

cavalry troop

engineer troop unit

non-NATO troop contributing nation (NNTCN)

separate cavalry troop