A method for forming an airfoil of a gas turbine engine , comprising: forming a pressure side half of the airfoil , wherein the pressure side half comprises a fiber metal laminate ; forming a suction side half of the airfoil , wherein the suction side half comprises the fiber metal laminate ; and coupling the pressure side half to the suction side half , wherein the pressure side half spans between a center line and a pressure side , the suction side half spans between the center line and a suction side , and the forming the pressure side half comprises: coupling a middle pressure side layer (543A-547A) to an outer pressure side layer having an outer pressure side length, the middle pressure side layer comprising a middle pressure side length, wherein the outer pressure side layer is adjacent to the pressure side ; and coupling an inner pressure side layer to the middle pressure side layer , the inner pressure side layer comprising an inner pressure side length, wherein the inner pressure side layer is adjacent to the center line , the middle pressure side layer is between the outer pressure side layer and the inner pressure side layer , the outer pressure side length is larger than the middle pressure side length, and the middle pressure side length is larger than the inner pressure side length. forming a pressure side half of the airfoil , wherein the pressure side half comprises a fiber metal laminate ; forming a suction side half of the airfoil , wherein the suction side half comprises the fiber metal laminate ; and coupling the pressure side half to the suction side half , wherein the pressure side half spans between a center line and a pressure side , the suction side half spans between the center line and a suction side , and the forming the pressure side half comprises: coupling a middle pressure side layer (543A-547A) to an outer pressure side layer having an outer pressure side length, the middle pressure side layer comprising a middle pressure side length, wherein the outer pressure side layer is adjacent to the pressure side ; and coupling an inner pressure side layer to the middle pressure side layer , the inner pressure side layer comprising an inner pressure side length, wherein the inner pressure side layer is adjacent to the center line , the middle pressure side layer is between the outer pressure side layer and the inner pressure side layer , the outer pressure side length is larger than the middle pressure side length, and the middle pressure side length is larger than the inner pressure side length. coupling a middle pressure side layer (543A-547A) to an outer pressure side layer having an outer pressure side length, the middle pressure side layer comprising a middle pressure side length, wherein the outer pressure side layer is adjacent to the pressure side ; and coupling an inner pressure side layer to the middle pressure side layer , the inner pressure side layer comprising an inner pressure side length, wherein the inner pressure side layer is adjacent to the center line , the middle pressure side layer is between the outer pressure side layer and the inner pressure side layer , the outer pressure side length is larger than the middle pressure side length, and the middle pressure side length is larger than the inner pressure side length. <EOS>