Tank destroyer was commanded by Obfw Gustav Koss Unit: 1/schwere Panzerjäger-Abteilung 653 = 1st company 653rd Heavy Anti-Tank Battalion Tactical number: 131 = 1st Company (Kompanie), 3rd Platoon (Zug), 1st Vehicle Official German designation: Panzerjäger Tiger (P) / Sturmgeschütz mit 8,8cm PaK 43/2 Ordnance inventory designation: Sd.Kfz.184 Tank classification: heavy tank destroyer