Abstract: A boltless viewport assembly for a ballistic shield can include a piece of ballistic glass; a body side viewport retention sleeve, a ballistic glass holder sleeve, and a strike face side ballistic glass holder retention sleeve. The body side viewport retention sleeve can include a body side flange and an aperture insertion portion. The ballistic glass holder sleeve can include an aperture sleeve portion and a ballistic glass nest portion. The strike face side ballistic glass holder retention sleeve can include a strike face side flange. The ballistic glass can be placed in the ballistic glass holder sleeve, and the body side viewport retention sleeve can be attached to the ballistic glass holder sleeve. The strike face side ballistic glass holder retention sleeve can be attached to the ballistic glass holder sleeves.

Abstract: An armored plate assembly can include a base plate, a gap layer, a containment structure around edges of the gap layer, and a coating that can be applied to an assembly of the base plate, the gap layer, and the containment structure. In some embodiments, the base plate can be formed from steel, the gap layer can be formed from natural cork, the containment structure can be formed from a polymer, and the coating can be formed from polyurea.