An armor system for the interior of a structure to be protected, the system comprising: a first armor panel and a second adjoining armor panel; the system being characterized by: the first armor panel including a main portion and a lap portion, the main portion comprising, in cross-section: a releasable fastener for mating the first armor panel to the interior of the structure to be protected, the releasable fastener being on encapsulant, a ceramic hard face layer, a ballistic material, and encapsulant on the ballistic material; the lap portion including, in cross-section: encapsulant, the ceramic hard face layer behind the encapsulant, the ballistic material behind the ceramic hard face layer, and encapsulant on the ballistic material; the second adjoining armor panel comprising a main portion and a tongue portion, the main portion including, in cross-section: a releasable fastener for mating the second armor panel to the interior of the structure to be protected, the releasable fastener being on encapsulant, a spacer layer, a ceramic hard face layer, a ballistic material, and encapsulant on the ballistic material; the tongue portion including, in cross-section: the releasable fastener for mating the second armor panel to the interior of the structure to be protected, encapsulant, ballistic material, and encapsulant on the ballistic material; whereby the encapsulant is covering the exterior of the first armor panel and the second armor panel. a first armor panel and a second adjoining armor panel; the system being characterized by: the first armor panel including a main portion and a lap portion, the main portion comprising, in cross-section: a releasable fastener for mating the first armor panel to the interior of the structure to be protected, the releasable fastener being on encapsulant, a ceramic hard face layer, a ballistic material, and encapsulant on the ballistic material; the first armor panel including a main portion and a lap portion, the main portion comprising, in cross-section: a releasable fastener for mating the first armor panel to the interior of the structure to be protected, the releasable fastener being on encapsulant, a ceramic hard face layer, a ballistic material, and encapsulant on the ballistic material; a releasable fastener for mating the first armor panel to the interior of the structure to be protected, the releasable fastener being on encapsulant, a ceramic hard face layer, a ballistic material, and encapsulant on the ballistic material; the lap portion including, in cross-section: encapsulant, the ceramic hard face layer behind the encapsulant, the ballistic material behind the ceramic hard face layer, and encapsulant on the ballistic material; encapsulant, the ceramic hard face layer behind the encapsulant, the ballistic material behind the ceramic hard face layer, and encapsulant on the ballistic material; the second adjoining armor panel comprising a main portion and a tongue portion, the main portion including, in cross-section: a releasable fastener for mating the second armor panel to the interior of the structure to be protected, the releasable fastener being on encapsulant, a spacer layer, a ceramic hard face layer, a ballistic material, and encapsulant on the ballistic material; a releasable fastener for mating the second armor panel to the interior of the structure to be protected, the releasable fastener being on encapsulant, a spacer layer, a ceramic hard face layer, a ballistic material, and encapsulant on the ballistic material; the tongue portion including, in cross-section: the releasable fastener for mating the second armor panel to the interior of the structure to be protected, encapsulant, ballistic material, and encapsulant on the ballistic material; whereby the encapsulant is covering the exterior of the first armor panel and the second armor panel. the releasable fastener for mating the second armor panel to the interior of the structure to be protected, encapsulant, ballistic material, and encapsulant on the ballistic material; whereby the encapsulant is covering the exterior of the first armor panel and the second armor panel.