Col. Brian Alexander, Air Force Office of Special Investigations 3rd Field Investigations Region commander, hands the 7th Field Investigations Squadron guidon to Lt Col. John Rayho, 7th FIS new commander, during a 7th FIS change of command ceremony at Joint Base Andrews, Md., July 8, 2023. The 7th FIS is responsible for counterintelligence and criminal investigations covering Air Force, Space Force and Defense Agency equities in the National Capital Region. (U.S. Air Force photo by Senior Airman Daekwon Stith)