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