52nd Ordnance Group (EOD)
The 52nd Ordnance Group (EOD) is one of three explosive ordnance disposal groups of the United States Army. It is the command and control headquarters for all U.S. Army Explosive Ordnance Disposal (EOD) battalions and companies located east of the Mississippi River in the Continental United States (CONUS).
Source: Wikipedia — 52nd Ordnance Group (EOD) (CC BY-SA 4.0)