Show I Many casualties used to be caused dy Jy y premature explosions of I tiles tHes Exacting tests of both guns and ammunition have practically eliminated this danger Shells are arenOw arenow arenow now termed bore safe saCe meaning that they will not explode within the gun tube before intended Antiaircraft guns like the one pictured fire very powered high shells sheIls of comparatively small cali cali- ber her The gun crews nevertheless feel confident that they will not be injured by their own weapon I 4 J I.- I. l I i J 1 S ft x i l 4 1 t 1 V 7 I |