 The "Luftwaffe" established a degree of air superiority after destroying and capturing over 4,000 Soviet aircraft in the first weeks of the invasion.II./KG 55 attacked airfield near Kiev again on 25 June while III "Gruppe" bombed Red Army troop concentrations in Wlodzimierzec-Lutsk area on 23 June followed by bombing attacks on the Kowel-Sarny rail system on 25 June.By 25 June "Fliegerkorps" V bombed 77 airfields in the first three days, in 1,600 sorties.