A landing gear assembly including a brake cooling system for cooling at least one landing gear brake stack (42, 52) of an aircraft in flight, the system comprising: an air handling assembly coupled to the aircraft, the air handling assembly comprising at least one air inlet port (124A-124D); and an air delivery assembly in air receiving communication with the air handling assembly, the air delivery assembly comprising at least one nozzle (153, 155) configured to direct air into a first space adjacent a first side of the at least one landing gear brake stack to create an air pressure differential across the at least one landing gear brake stack, characterized by the landing gear assembly further comprising: a door (24, 26) pivotable with respect to a body of the aircraft; and a wheel assembly positionable within a landing gear cavity formed in the body of the aircraft, the wheel assembly comprising the at least one brake stack (42, 52), wherein the air handling assembly is coupled to an exterior surface of the door; and wherein the air delivery assembly comprises at least one air passage (156, 162) extending through the door and the at least one nozzle (153, 155) is coupled to the at least one air passage, wherein the at least one nozzle is configured to accelerate air toward the at least one brake stack when the wheel assembly is positioned within the landing gear cavity. an air handling assembly coupled to the aircraft, the air handling assembly comprising at least one air inlet port (124A-124D); and an air delivery assembly in air receiving communication with the air handling assembly, the air delivery assembly comprising at least one nozzle (153, 155) configured to direct air into a first space adjacent a first side of the at least one landing gear brake stack to create an air pressure differential across the at least one landing gear brake stack, characterized by the landing gear assembly further comprising: a door (24, 26) pivotable with respect to a body of the aircraft; and a wheel assembly positionable within a landing gear cavity formed in the body of the aircraft, the wheel assembly comprising the at least one brake stack (42, 52), wherein the air handling assembly is coupled to an exterior surface of the door; and wherein the air delivery assembly comprises at least one air passage (156, 162) extending through the door and the at least one nozzle (153, 155) is coupled to the at least one air passage, wherein the at least one nozzle is configured to accelerate air toward the at least one brake stack when the wheel assembly is positioned within the landing gear cavity. a door (24, 26) pivotable with respect to a body of the aircraft; and a wheel assembly positionable within a landing gear cavity formed in the body of the aircraft, the wheel assembly comprising the at least one brake stack (42, 52), wherein the air handling assembly is coupled to an exterior surface of the door; and wherein the air delivery assembly comprises at least one air passage (156, 162) extending through the door and the at least one nozzle (153, 155) is coupled to the at least one air passage, wherein the at least one nozzle is configured to accelerate air toward the at least one brake stack when the wheel assembly is positioned within the landing gear cavity.