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

<attach_detach_unit_command>

<accept_unassign_verb> <other_unit-controlled_unit>

<accept_unassign_verb> unit <other_unit-controlled_unit>

<attach_detach_unit_verb> <other_unit-controlled_unit>

<attach_detach_unit_verb> unit <other_unit-controlled_unit>

<attach_detach_unit_verb-report_to> <other_unit-controlled_unit> <dont_move_mod>

<attach_detach_unit_verb-report_to> unit <other_unit-controlled_unit> <dont_move_mod>