Patent ID: 8872082

Claim:
A flying object comprising: a flying object body; a nozzle assembly formed to discharge a burnt propellant in an axial direction to provide propulsion to the flying object body; a covering unit formed to surround an outer circumferential surface of the nozzle assembly, wherein at least one region of the covering unit is fixed to the nozzle assembly; at least one wing unit protruding from an outer surface of the covering unit in a direction crossing the axial direction, the wing unit being integrated with the covering unit; a fastening slit formed to be recessed from at least one end portion of the covering unit; a fastening member penetrating the fastening slit in a radial direction perpendicular to the outer circumferential surface of the covering unit, the fastening member fastened to the outer circumferential surface of the nozzle, to prevent the covering unit from being separated from the nozzle assembly, wherein the nozzle assembly comprises: a cylindrical structure having an inner space; and at least one fastening protrusion, which protrudes from an outer circumferential surface of the cylindrical structure and is coupled to the fastening member.