The rules that use the category "<repeat_warning>" are:

<basic_unit_command>

<repeat_warning> <ship_command-not_standby_execute>

<basic_unit_command-group_subj_ok>

<repeat_warning> <ship_command-not_standby_execute>

<repetition_and_ending>

<repeat_warning> <navy_command>

<repeat_warning> <navy_command> <end_transmission>

<repeat_warning> <navy_command> <execution_command>

<repeat_warning> <navy_command> <execution_command> <end_transmission>