Diamond has developed an advanced COTS MIL-38999 connector that demonstrates exceptional performance in demanding applications. For the first time, ruggedized MIL-38999 connectors are available for use with small-core single mode fiber, polarization maintaining (PM) fiber, and other specialty fibers. Built around the innovative DM4 (Multipurpose termini), the connector incorporates four termini that allows for hybrid electrical/optical configurations.