Hupperz gained his first victory during the French campaign on 28-05-1940, when he shot down a RAF Spitfire fighter near Dunkirk. He participated in the Battle of Britain (see Bomber Harris
gaining four victories in the aerial battles over England. In spring 1941, Huppertz was transferred to 12./JG 51 operating over the Eastern front. After gaining his 33rd
victory on 09-08-1941, he was shot down in Bf 109 F-2.
He baled out unhurt. On 25 August, Huppertz claimed his 34th
victory. On 30 August, Leutnant Huppertz was awarded the Ritterkreuz. In September 1941, Huppertz was transferred to the Ergänzungs-Staffel/JG 51, nickname “Mölders”
to undertake instructing duties. He returned to the Eastern front at the end of December. He was assigned to the Gruppenstab of III./JG 51 where he gained a further five victories.
On 27-01-1942, Huppertz was appointed Staffelkapitän of 12./JG 1, nickname “Oesau”
based initially at Brest, then Jever before being sent to Norway. He participated in Operation Donnerkeil, the aerial protection of the German battle cruisers Scharnhorst and Gneisenau and the heavy cruiser Prinz Eugen on their epic dash through the Channel from Brest. He claimed an RAF Spitfire fighter shot down on 12 February during this operation. In March, IV./JG 1 was redesigned III./JG 5. Huppertz retained command of 9./JG 5, nickname “Eismeer”
. On 2 April, he claimed a RAF Mosquito twin-engine bomber shot down off the Norwegian coast. He was injured in a forced landing of Fw 190 A-2, on 15 September at Morgensbeck.
Huppertz was appointed Staffelkapitän of 3./JG 2, nickname “Richthofengeschwader”
based on the Channel front on 09-11-1942. His stay with the unit was short as he was transferred to take command 10./JG 2 shortly afterwards. On 30 December, Huppertz recorded his 60th
victory. In February 1944, Hauptmann Huppertz was appointed Gruppenkommandeur of III./JG 2 succeeding Hauptmann Bruno Stoll
. Bruno Stolle survived the war and died age 88 on 22-01-2004 in Rheinbach.
On the first day of the Allied invasion in Normandy, Huppertz claimed five victories over Allied fighters shot down (73-77). On 08-06-1944, age 25, shortly after D-Day, Huppertz was shot down and killed in Fw 190 A-8 by US fighters near Cintheaux in the Caen area. He
was posthumously awarded the Eichenlaub
and promoted to the rank of Major. Huppertz is buried on the war cemetery of La Cambe in France. Near his grave are also buried the man responsibly for the massacre of Oradour sur Glane, SS Sturmbannführer “ Das Reich Division
, Adolf Diekmann
The original village of Oradour was destroyed on 10-06-1944, when 642 of its inhabitants, including women and children, were massacred by a German Waffen SS company “Das Reich”. A new village was built after the war on a nearby site but on the orders of the then French preident, Charles De Gaulle
the original has been maintained as a permanent memorial and museum. Also buried on La Cambe are Panzer Ace SS Hauptsturmführer, Zugführer 13 SS Pz Reg 1 “LSSAH
“, Michael Wittmann