The rules that use the category "<unit_call_sign-gapsout_null-gapsin_null>" are:

<unit_name_mod>

<name_adj> <unit_call_sign-gapsout_null-gapsin_null>

<full_unit_call_sign>

<unit_call_sign-gapsout_null-gapsin_null>

<unit_call_sign-gapsout_null-gapsin_null> <atf_designation>

<unit_call_sign-gapsout_null-gapsin_null> <company_designation>

<unit_call_sign-gapsout_null-gapsin_null> <flight_designation>

<unit_call_sign-gapsout_null-gapsin_null> <landing_force_designation>

<unit_call_sign-gapsout_null-gapsin_null> <platoon_designation>

<unit_call_sign-gapsout_null-gapsin_null> <section_designation>

<unit_call_sign-gapsout_null-gapsin_null> <squad_designation>

<unit_call_sign-gapsout_null-gapsin_null> <team_designation>

<unit_call_sign-gapsout_null-gapsin_null> <vehicle_designation>

<commander>

<unit_call_sign-gapsout_null-gapsin_null>

<name_operation-gapsout_null-gapsin_null>

<naming_verb> <np-gapsout_null-gapsin_null-unit-def-sing> <unit_call_sign-gapsout_null-gapsin_null>

<naming_verb> <np-gapsout_null-gapsin_null-unit-deictic-sing> <unit_call_sign-gapsout_null-gapsin_null>

<naming_verb> <unit-gapsout_null-gapsin_null> as <unit_call_sign-gapsout_null-gapsin_null>

<naming_verb> <unit-gapsout_null-gapsin_null> with new name <unit_call_sign-gapsout_null-gapsin_null>