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

<suppress_by_fire_command>

<basic_suppress_by_fire_command>

<basic_suppress_by_fire_command> <location_prep> <engagement_loc>

<movement_verb> <to_prep> <engagement_loc> and <suppress_by_fire_verb> <by_fire_phrase>

<movement_verb> <to_prep> <engagement_loc> and <suppress_by_fire_verb> <enemy_loc> <by_fire_phrase>