Too common? Not at all. Ducommun designs and makes aerostructures and electromechanical components for commercial and military aircraft, as well as for missile and space programs. Structural Systems engineers and manufactures structures and assemblies, such as aircraft wing spoilers and helicopter blades using aluminum, composites, and titanium. Electronic Systems makes electromechanical components, such as switch assemblies, actuators, keyboard panels, and avionics racks. Products for military and space applications account for almost 40% of its sales each year.