Leveraging II-VI Corporation’s strength in engineered materials and Design for Manufacturability and Precision Optical Assemb ... ly, II-VI Aerospace & Defense (II-VI AD) provides customers with high quality and high performance optical assemblies and subsystem solutions that are enabling mission critical Department of Defense (DoD) applications. From concept design/development through production, we closely collaborate with our customers to integrate the design and manufacture of advanced technologies and components that consistently exceed expectations on the most demanding projects. read more