service ammunition
1.How to make correct judgment, to ensure service management especially the 1.5 m drop test of ammunition and take advantage of the inertial force from launched environment in the bore to reliably arm the setback arming device is what this paper concerns. That is to say, on one hand the truncated conical shells are protected in the 1.5 m drop test of ammunition, on the other hand the inertial force in the bore collapses it.
