A Guide to U.S. Military Casualty Statistics: Operation Freedom’s Sentinel, Operation Inherent Resolve, Operation New Dawn, Operation Iraqi Freedom, and Operation Enduring Freedom. Hannah Fischer, Information Research Specialist. August 7, 2015. [As always, CRS reports via Steven Aftergood/FAS] – “This report presents statistics regarding U.S. military and civilian casualties in the active missions Operation Freedom’s Sentinel (OFS, Afghanistan) and Operation Inherent Resolve (OIR, Iraq and Syria) and, as well as operations that have ended, Operation New Dawn (OND, Iraq), Operation Iraqi Freedom (OIF, Iraq), and Operation Enduring Freedom (OEF, Afghanistan). It also includes statistics on post-traumatic stress disorder (PTSD), traumatic brain injury (TBI), and amputations. Some of these statistics are publicly available at the Department of Defense’s (DOD’s) website and others have been obtained through DOD experts.”