on 15 April 1944. In April 1944, IV/.NJG 1 moved to Sint-Truiden—Saint-Trond in the French pronunciation—Belgium. The Gruppe was now under the command of Heinz-Wolfgang Schnaufer. He achieved his first success with 11 staffel on the night of the 22/23 April 1944 Greiner scrambled for a night patrol when Bomber Command struck Düsseldorf. The 596 bombers (323 Lancaster and 254 Halifax) were supported by 19 Mosquito intruders. Northwest of the city, Greiner was vectored onto a Lancaster and claimed it shot down at 01:39. The bomber was Greiner's 20th victory. On 24/25 April Greiner claimed a Halifax near Breda at 02:18. On the night of the 27/28 April Greiner achieved another double victory. This night 322 Lancaster bombers of 1, 3, 6 and 8 Groups bombed Friedrichshafen. Another 223 aircraft (191 Halifax, 16 Lancaster and 16 Mosquito bombers) were despatched to Aulnoye-Aymeries. A third wave of 120 Halifax, 16 Lancaster and eight Mosquito bombers attacked railway yards at Montzen on the Belgian-German border. Greiner intercepted the bomber stream over Belgium. West of Genk at 01:58 he claimed a Lancaster then a Halifax southeast of Oerle two minutes later. The only Lancaster lost this night was JA976, from No. 405 Squadron RCAF. It crashed at Diest. Squadron leader E. W. Blenkinsop DFC, Croix de Guerre, evaded capture and joined with the Belgian Resistance before being captured in December 1944. He died at Neuengamme concentration camp on 23 January 1945. Blenkinsop was certainly Greiner's 23rd victory. Normandy The Western Allies began a policy of increasing attacks on the Belgian and French rail and communication networks in preparation for Overlord, and the D-Day landings. On 1/2 May 1944 131 Lancaster and eight Mosquito bombers belonging to No. 5 Group attacked the aircraft assembly and an explosives factories in Toulouse. Another 137 aircraft (89 Halifax, 40 Lancaster, 8 Mosquito bombers) from 6 and 8 Groups attacked the railway yards at Saint Ghislain. A follow up raid 132 aircraft (110 Halifax, 14 Lancaster, 8 Mosquito bombers) of No. 4 and 8 Groups attacked railway targets at Malines. Chambly was also struck by 120 aircraft (96 Lancaster, 16 Stirling, 8 Mosquito bombers) of No. 3 and 8 Groups. 75 Lancasters of No. 1 Group attacked Berliet and Lyon. A further 46 Lancaster and four Mosquitos of No. 5 Group carried out an accurate attack on aircraft-repair workshops at Tours. 28 Mosquitos operated over Ludwigshafen and Achères,