esco technologies inc. produces and supplies engineered products and systems for industrial and commercial markets worldwide. it operates through three segments: aerospace & defense, utility solutions group (usg), and rf shielding and test. the aerospace & defense segment designs and manufactures filtration products, including hydraulic filter elements and fluid control devices used in commercial aerospace applications; filter mechanisms used in micro-propulsion devices for satellites; and custom designed filters for manned aircraft and submarines. it also designs, develops, and manufactures elastomeric-based signature reduction solutions for u.s. naval vessels; and mission-critical bushings, pins, sleeves, and precision-tolerance machined components for landing gear, rotor heads, engine mounts, flight controls, and actuation systems for the aerospace and defense industries. the usg segment provides diagnostic testing solutions that enable electric power grid operators to assess the in