an Entity references as follows:
Operation Schamil was a code-name for a German Abwehr operation to airdrop special forces ahead of the main attacking force against the Soviet city of Grozny which was a major oil production and refining center and, together with Maykop and Baku, was the primary objective for the German 1942 summer offensive by Army Group A led by Generalfeldmarschall Wilhelm List. It was named after Imam Shamil.