It is {HEAD ~ an object} of {TAIL ~ the present invention} to provide a shock simulator for simulating the force pulse on a fired projectile 
of
It is { HEAD ~ an object } of { TAIL ~ the present invention } to provide a shock simulator for simulating the force pulse on a fired projectile
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH