Which mode of IFF is noted for being encrypted?

Mode 5 of IFF (Identification Friend or Foe) is notable for incorporating encryption to enhance security and prevent unauthorized access to the information it provides. The encryption in Mode 5 adds a layer of protection, making it more difficult for adversaries to spoof or mimic friendly identifiers. This capability is particularly critical in modern military operations, where secure communications and accurate identification of friendly assets are essential to operational success.

Mode 5 operates digitally, allowing for a more sophisticated and secure exchange of identification data compared to earlier modes. This feature facilitates enhanced situational awareness on the battlefield, ensuring that military personnel can distinguish between friendly and potentially hostile forces more reliably, thereby reducing the risk of friendly fire incidents.

While other modes of IFF may provide useful identification capabilities, they lack the encryption features that are characteristic of Mode 5, making it the preferred choice in environments requiring stringent security measures around identification.