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 . <EOS>