Thousands…..
https://www.military.com/video/specialties-and-personnel/civilian-personnel/pentagon-employees-busted-for-child-porn/764020544001
https://www.foxnews.com/us/investigation-finds-dozens-of-military-officials-and-contractors-downloaded-child-porn
https://www.theguardian.com/world/2010/jul/24/pentagon-us-staff-downloaded-child-pornography