The rules that use the vocabulary item "attach" are:

<attach_unit_operation>

attach <unit> to <unit>

attach <unit> under <unit>

<attach_detach_unit_verb>

attach to

attach to your superior unit

<attach_detach_part_verb>

attach

<attach_detach_unit_verb-report_to>

attach to

attach to your superior unit

<attach_detach_vehicle_verb>

attach