The category "<full_unit_call_sign>" can be expressed as follows:

<full_unit_call_sign>

<unit_call_sign>

<unit_call_sign> <atf_designation>

<unit_call_sign> <company_designation>

<unit_call_sign> <flight_designation>

<unit_call_sign> <landing_force_designation>

<unit_call_sign> <platoon_designation>

<unit_call_sign> <section_designation>

<unit_call_sign> <squad_designation>

<unit_call_sign> <team_designation>

<unit_call_sign> <vehicle_designation>