WWII masters of deception.  The patch was badass then and still is now!
 
No active Army unit traces formal lineage from the 23rd. Both the psychological and Information Operations (IO) communities use the ghost patch as an informal identity as these disciplines specialize in influence Psychological Operations (PO) and deception activities (IO), which the 23rd pioneered. The 23rd Headquarters Special Troops were made Honorary Members of the U.S. Army Psychological Operations Regiment on 3 November 2022.