A cementitious armor panel assembly comprising: a frame; a blast resistant cementitious panel supported on the frame, the blast resistant cementitious armor panel comprising: a reinforcing fiber uniformly distributed within a cementitious core comprising a continuous phase resulting from the curing of a self-leveling aqueous mixture of: a) 25-45 weight % inorganic cement binder, b) filler, wherein the filler in the aqueous mixture consists of i) silica sand filler having a median particle size of 150-450 microns, the silica sand filler being at least 35 weight % of the aqueous mixture, and ii) pozzolanic filler having a median particle size of less than or equal to 50 microns, the pozzolanic filler being 5-15 weight % of the aqueous mixture, and wherein the pozzolanic filler is silica fume, c) 0.25-5.0 weight % polycarboxylate based self-leveling agent, and d) 6-12 weight % water wherein the weight ratio of water to the combined weight of the inorganic cement binder and pozzolanic filler dry reactive powders is less than or equal to 0.35:1.0, and a fiber-reinforced skin-layer attached to at least one surface of the cured continuous phase. a frame; a blast resistant cementitious panel supported on the frame, the blast resistant cementitious armor panel comprising: a reinforcing fiber uniformly distributed within a cementitious core comprising a continuous phase resulting from the curing of a self-leveling aqueous mixture of: a) 25-45 weight % inorganic cement binder, b) filler, wherein the filler in the aqueous mixture consists of i) silica sand filler having a median particle size of 150-450 microns, the silica sand filler being at least 35 weight % of the aqueous mixture, and ii) pozzolanic filler having a median particle size of less than or equal to 50 microns, the pozzolanic filler being 5-15 weight % of the aqueous mixture, and wherein the pozzolanic filler is silica fume, c) 0.25-5.0 weight % polycarboxylate based self-leveling agent, and d) 6-12 weight % water wherein the weight ratio of water to the combined weight of the inorganic cement binder and pozzolanic filler dry reactive powders is less than or equal to 0.35:1.0, and a fiber-reinforced skin-layer attached to at least one surface of the cured continuous phase. a reinforcing fiber uniformly distributed within a cementitious core comprising a continuous phase resulting from the curing of a self-leveling aqueous mixture of: a) 25-45 weight % inorganic cement binder, b) filler, wherein the filler in the aqueous mixture consists of i) silica sand filler having a median particle size of 150-450 microns, the silica sand filler being at least 35 weight % of the aqueous mixture, and ii) pozzolanic filler having a median particle size of less than or equal to 50 microns, the pozzolanic filler being 5-15 weight % of the aqueous mixture, and wherein the pozzolanic filler is silica fume, c) 0.25-5.0 weight % polycarboxylate based self-leveling agent, and d) 6-12 weight % water wherein the weight ratio of water to the combined weight of the inorganic cement binder and pozzolanic filler dry reactive powders is less than or equal to 0.35:1.0, and a) 25-45 weight % inorganic cement binder, b) filler, wherein the filler in the aqueous mixture consists of i) silica sand filler having a median particle size of 150-450 microns, the silica sand filler being at least 35 weight % of the aqueous mixture, and ii) pozzolanic filler having a median particle size of less than or equal to 50 microns, the pozzolanic filler being 5-15 weight % of the aqueous mixture, and wherein the pozzolanic filler is silica fume, c) 0.25-5.0 weight % polycarboxylate based self-leveling agent, and d) 6-12 weight % water wherein the weight ratio of water to the combined weight of the inorganic cement binder and pozzolanic filler dry reactive powders is less than or equal to 0.35:1.0, and a fiber-reinforced skin-layer attached to at least one surface of the cured continuous phase.