Flying with this wing, Radener claimed his first aerial victory on 13 March 1943 on the Western Front over a Royal Air Force fighter aircraft which was not confirmed.

After World War II, he joined the German Air Force and was killed in a flying accident 8 January 1957.

Radener was born on 24 January 1921 at Lüchtrigen, present-day part of Höxter, at the time in the Province of Westphalia, a Free State of Prussia in the Weimar Republic.

[3] World War II in Europe began on Friday 1 September 1939 when German forces invaded Poland.

Gruppe (2nd group) of JG 26 and at the time under the command of Major Wilhelm-Ferdinand Galland and based at Vitry-En-Artois Airfield in northern France.

That day, he shot down a Royal Air Force (RAF) Spitfire 20 kilometres (12 miles) west of the Baie de Somme.

[7] On 14 May, Radener claimed a Herausschuss (separation shot) over a United States Army Air Forces (USAAF) Boeing B-17 Flying Fortress bomber from the 351st Bombardment Group northwest of Antwerp.

A Herausschuss was a severely damaged heavy bomber forced to separate from his combat box which normally was counted as an aerial victory.

[8] The USAAF VIII Bomber Command flew its first daylight mission during the Battle of the Ruhr on 22 June.

In defense of this attack, Radener claimed a Republic P-47 Thunderbolt escort fighter shot down 10–15 km (6.2–9.3 mi) northwest of Domburg.

Defending against this attack, Radener shot down a P-47 from the 56th Fighter Group 10 km (6.2 mi) north-northwest of Le Tréport.

[10] VIII Bomber Command dispatched 237 B-17 on 4 July, attacking various targets in France, including the aircraft factories at Nantes and Le Mans, as well as the U-boat pen at La Pallice.

This attack force was escorted by RAF Spitfire fighters of which Radener claimed one shot down.

[19] On 18 February 1944, the RAF flew a low-level bombing raid on the Amiens Prison in German-occupied France dubbed Operation Jericho.

[20] The attack force of nineteen de Havilland Mosquito bombers was escorted by eight Hawker Typhoon fighters from No.

Defending against this attack, Radener was credited with the destruction of a Typhoon, shot down north Amiens.

[23] On 11 May, he downed a Consolidated B-24 Liberator bomber from the 487th Bombardment Group but then accidentally rammed a second B-24 in his Focke-Wulf Fw 190 A-8 (Werknummer 680120—factory number).

He bailed out but his parachute failed to fully deploy after it got entangled with his Fw 190 A-8 (Werknummer 730934) and suffered injuries on landing keeping him hospitalised until the end of the month.

That day, the RAF Bomber Command attacked German transportation infrastructure east of combat area of the Battle of the Bulge which was fought in the Ardennes.

Staffel during Operation Bodenplatte on 1 January 1945, an attempt at gaining air superiority during the stagnant stage of the Battle of the Bulge.

Gruppe, under the leadership of Major Anton Hackl was based at Nordhorn at attacked the Evere Airfield at Brussels.

[38] According to Obermaier, Radener was credited with 37 aerial victories all which claimed over the Western Front, including 17 heavy bombers.