A projectile ground shock simulator for simulating the force pulse on a pectile in testing for shock effect on {HEAD ~ the guidance system} of {TAIL ~ the projectile} 
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A projectile ground shock simulator for simulating the force pulse on a pectile in testing for shock effect on { HEAD ~ the guidance system } of { TAIL ~ the projectile }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL