The rules that use the category "<base_of_fire_phrase>" are:
<company_noun> <base_of_fire_phrase>
<flight_noun> <base_of_fire_phrase>
<platoon_noun> <base_of_fire_phrase>
<section_noun> <base_of_fire_phrase>
<company_noun> <base_of_fire_phrase>
<flight_noun> <base_of_fire_phrase>
<platoon_noun> <base_of_fire_phrase>
<section_noun> <base_of_fire_phrase>
<company_noun> <base_of_fire_phrase>
<flight_noun> <base_of_fire_phrase>
<platoon_noun> <base_of_fire_phrase>
<section_noun> <base_of_fire_phrase>
<set_up_verb> <base_of_fire_phrase>
<set_up_verb> <base_of_fire_phrase> <location_prep> <engagement_loc>
<set_up_verb> <base_of_fire_phrase> <location_prep> <engagement_loc> <open_fire_verb> <on_order>
<set_up_verb> <base_of_fire_phrase> <location_prep> <engagement_loc> targeting <on_prep> <enemy_loc>
<set_up_verb> <base_of_fire_phrase> <location_prep> <engagement_loc> and <attack_by_fire_verb> <enemy_loc>
<set_up_verb> <base_of_fire_phrase> <location_prep> <engagement_loc> and <engage_verb> <enemy_loc>