A laminated hybrid metallized polymer film for erosion protection of a composite structure, the laminated hybrid metallized polymer film comprising: a metal foil layer, with a first side and a second side; a laminating adhesive layer, with a first side and a second side, underlying the metal foil layer; a polymer film layer, with a first side and a second side, underlying the laminating adhesive layer, the polymer film layer laminated to the metal foil layer with the laminating adhesive layer coupled between the metal foil layer and the polymer film layer; and an adhesive layer, with a first side and a second side, underlying the polymer film layer, the adhesive layer adhering the polymer film layer to a substrate surface of the composite structure; wherein: the first side of the metal foil layer is exposed; the second side of the metal foil layer is adj acent to, and coupled or attached to, the first side of the laminating adhesive layer; the second side of the laminating adhesive layer is adjacent to, and coupled or attached to, the first side of the polymer film layer; and the second side of the polymer film layer is adjacent to, and coupled or attached to, the first side of the adhesive layer; wherein the adhesive layer has a thickness in a range of from 0.005 inch (0.127 millimeter) to 0.020 inch (0.508 millimeter), and wherein the metal foil layer, the laminating adhesive layer, the polymer film layer, and the adhesive layer form the laminated hybrid metallized polymer film for application over and to the substrate surface of the composite structure. a metal foil layer, with a first side and a second side; a laminating adhesive layer, with a first side and a second side, underlying the metal foil layer; a polymer film layer, with a first side and a second side, underlying the laminating adhesive layer, the polymer film layer laminated to the metal foil layer with the laminating adhesive layer coupled between the metal foil layer and the polymer film layer; and an adhesive layer, with a first side and a second side, underlying the polymer film layer, the adhesive layer adhering the polymer film layer to a substrate surface of the composite structure; wherein: the first side of the metal foil layer is exposed; the second side of the metal foil layer is adj acent to, and coupled or attached to, the first side of the laminating adhesive layer; the second side of the laminating adhesive layer is adjacent to, and coupled or attached to, the first side of the polymer film layer; and the second side of the polymer film layer is adjacent to, and coupled or attached to, the first side of the adhesive layer; wherein the adhesive layer has a thickness in a range of from 0.005 inch (0.127 millimeter) to 0.020 inch (0.508 millimeter), and wherein the metal foil layer, the laminating adhesive layer, the polymer film layer, and the adhesive layer form the laminated hybrid metallized polymer film for application over and to the substrate surface of the composite structure. the first side of the metal foil layer is exposed; the second side of the metal foil layer is adj acent to, and coupled or attached to, the first side of the laminating adhesive layer; the second side of the laminating adhesive layer is adjacent to, and coupled or attached to, the first side of the polymer film layer; and the second side of the polymer film layer is adjacent to, and coupled or attached to, the first side of the adhesive layer; wherein the adhesive layer has a thickness in a range of from 0.005 inch (0.127 millimeter) to 0.020 inch (0.508 millimeter), and wherein the metal foil layer, the laminating adhesive layer, the polymer film layer, and the adhesive layer form the laminated hybrid metallized polymer film for application over and to the substrate surface of the composite structure.