Sierra Nevada Corporation (SNC) is a privately held American defense and aerospace contractor that designs and integrates systems across air, ground, maritime, space, and cyber domains. Its work spans manned and unmanned aircraft modification and integration—including the SNC Scorpion, M-28 SOMA, and modifications to platforms like the C-130, PC-12, and King Air—alongside original hardware such as the AEGIR family of autonomous surface vessels and reconfigurable air defense launchers like BRAWLR and MAAWLR. On the electronics and software side, SNC produces the AE-4500 ESM system for airborne and ground-based radar detection, the SNC TRAX software for theater-wide air defense integration, and cryptographic devices including the Simple Key Loader. The company also holds satellite and space mission systems work under its portfolio. SNC is headquartered in Sparks, Nevada, and is owned by Eren and Fatih Ozmen, who acquired the company in 1994.