KIK-11 Tactical Key Loader (TKL) – L3Harris Technologies: A rugged, lightweight, software-programmable cryptographic key loader designed to securely receive, store and load electronic cryptographic key material into tactical radios and other End Cryptographic Units. The KIK-11 supports both legacy and modern key-fill interfaces, protocols and key types, and is compatible with L3Harris Falcon II, Falcon III and Falcon IV radios as well as suitable equipment from other manufacturers. It incorporates the L3Harris Sierra II cryptographic module and provides secure protection of key material up to TOP SECRET. The device provides rapid, single-button key filling, 40-key storage with 12 quick-load slots, USB/RS-232 connectivity and mission-plan loading for radio configuration. Powered by three commercial AA batteries, the compact, ruggedised unit is designed for use by forward-deployed personnel in demanding operational environments.