The 66th Security Forces Squadron is a U.S. Air Force unit responsible for the protection of installations, airfields, and airspace under its jurisdiction. Based at Nellis Air Force Base in Nevada, this squadron contributes to global security through various law enforcement, force protection, emergency services, and mission support functions. The 66th SFS is a vital part of the Air Expeditionary Force, providing security for critical operations worldwide. The unit’s role encompasses a wide range of activities, including criminal investigation, counter-intelligence, explosive ordinance disposal, K9 operations, and force protection for key assets.