Patent ID: 7493860

Claim:
A projectile, comprising: a front portion for command and control; a rear portion for containing a detonator and a pyrotechnic charge; an electrical connection between the front portion and the rear portion for passing signals from an electronic circuit in the front portion to a detonator in the rear portion, and a bulkhead shield dividing the front and rear portions; wherein the bulkhead shield comprises: a wall having a front surface facing the front portion; a duct through the wall between the front and rear portions and through which the electrical connector extends; an end cap having a closure portion shaped to close the duct; and a support portion connected to the closure portion through a weakness zone which is substantially weaker than the remainder of the end cap, the support portion abutting the front surface of the wall and the closure portion being positioned over the front of the duct, the end cap and the duct being separated by a passage through which the electrical connection passes, the arrangement being such that rearward pressure on the end cap shears the weakness zone to detach the closure portion and pushes the closure portion rearward into the duct to close the duct to protect the rear portion from debris.