A ballistic resistant material and structure and methods for allowing and preventing projectiles from passing through the ballistic resistant defense structure. The ballistic resistant defense structure involves a ballistic multilayer arrangement comprised of V-Profiles 100 which are further comprised of V-shaped wedges arranged adjacent to each other, spaced slightly apart, with gaps. The gaps between the V-shaped wedges expand or contract depending on which side of the V-Profile a projectile strikes.

A seating assembly includes a seat base. A seatback is operably coupled to the seat base and includes a seat cushion disposed on a front side thereof. A protective panel operably coupled with the seatback panel. The protective panel includes an internal aluminum panel disposed inside the seatback. An external aluminum panel is disposed on the seatback. A polymeric matrix is disposed between the internal aluminum panel and the external aluminum panel.

An ammunition storage compartment includes a plurality of connected walls defining an interior region to store ammunition, wherein at least one of the walls includes an outer armor plate having an outer surface and an inner surface. A layer of energy absorbing material is located proximate the inner surface of the armor plate in the interior region. A spall mitigating panel is located inward of the layer of energy absorbing material in the interior region. At least one air gap is in between the layer of energy absorbing material and the spall mitigating panel.

A lumbar support system and device is disclosed herein which includes a lumbar support plate. The lumbar support plate may be incorporated or used in conjunction with a body armor protective garment.

The invention relates to a counter-unmanned aerial system (C-UAS) protection device, for use in both civilian and military vehicles and ships, which is positioned at the top of the vehicle, ship or entity to be protected, and comprises one or several panels, attached to the vehicle or turret, making it possible to modify or conceal the system signature or signatures (radar, LIDAR, sonar, electro-optical, visual or multispectral signature, visible and infrared spectral signature, thermal signature, acoustic signature, magnetic signature or others).

A tile to be used in an arrangement of identical tiles of an armor, the tile including an obverse face, a reverse face opposite the obverse face, and an endless edge between the obverse face and the reverse face, the endless edge being defined by a plurality of peripheral boundaries connected by curved sections, wherein the obverse face includes a first region and a second region each configured to be overlapped by a corresponding region of a reverse face of another tile, and a strike face region that is not overlapped by another tile, the first region and the second region being adjacent to the non-overlapped strike face region, the strike face region including a Y-shaped raised portion and no other raised portion or recessed portion, and the reverse face including a Y-shaped depression at a location corresponding to the location of the Y-shaped raised portion, and no other depression or raised portion.

An armor component including a body having a first portion including calcium boride compounds include non-stoichiometric calcium boride (CaB.sub.x) and stoichiometric calcium boride (CaB.sub.6) and having a density of at least about 80% theoretical density. In one aspect, the first portion can include a first phase comprising silicon carbide (SiC) and a second phase comprising calcium boride (CaB.sub.6). In another aspect, the first portion can further include a third phase comprising boron carbide (B.sub.4C).

A steel armor plate and method of manufacturing is described. The armor plate has three curves, a first curve about an axis that parallels the length of the armor plate, and two additional curves about axes that parallel the width of the armor plate. A die for manufacturing said plate is described, the die being formed of a stack of metal plates, each plate having a curve that substantially matches the first curve, the stack of plates being arranged in a step-down-then-step-up fashion to form a concavity that approximates one of the two additional curves.

A shield assembly for protection of vehicles traveling in space consisting of at least five layers that would replace the thin metal impact shield in Whipple shields fabricated using the current art that employs only a single metal. All of the layers in the present invention are metallic. At least three different metals must be used in this invention. FIG. 1 shows the basic embodiment of the transparent blast protection assembly. The shield assembly (10) comprises a first metal layer (20), a second metal layer (30), a third metal foam layer (40), a fourth metal layer (50), and a fifth metal layer (60). At least one spacer component (70) is used to create and maintain a space between the structure requiring impact protection (80) and the shield assembly.

An asymmetric ERA box improves the disruption of a shape-charge jet for a high-explosive projectile for a given mass requirement and stand-off distance. Mass is asymmetrically redistributed from the outer plate to the rear plate in the form of increased thickness of the rear plate. This is offset by forming the outer plate of a low-density material that provides an impedance mismatch sufficient to attenuate the shockwave of low velocity projectiles (e.g., 50 caliber bullets) so that they embed in but do not detonate the explosive. The outer plate provides negligible disruption of the shape-charge jet with substantially all the disruption being provided by the thicker high density rear plate. Placement of substantially all the mass toward the front of the shape-charge jet improves overall performance of the ERA. This asymmetric configuration provides the same performance as known symmetric ERA configurations against kinetic-energy projectiles as the total mass in the outer and rear plates remains essentially the same.