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