It is another related objective to attain this general objective with {TAIL ~ substantial weight reductions} for {HEAD ~ the drayable chassis} 
It is another related objective to attain this general objective with { TAIL ~ substantial weight reductions } for { HEAD ~ the drayable chassis }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD