sentences:  During this campaign, Steinbatz flew multiple ground support missions against Greek forces and other Allied forces.In mid-June III./JG 52 returned to Bucharest to re-equip onto the Bf 109F just in time for Operation Barbarossa, the invasion of Russia.But again, tasked with protecting the oilfields, and being the southernmost "Gruppen" on the front, it had very little to do except to intercept bombers raiding the Romanian ports.