On April 2, 1936, the aviation ministry paid 750,000 reichsmarks to the town of Wolgast[1]:41 for the whole Northern peninsula of the Baltic island of Usedom.[2]:17 By the middle of 1938, the Army facility had been separated from the Luftwaffe facility and was nearly complete, with personnel moved from Kummersdorf.[3] The Army Research Center (Peenemünde Ost)[4] consisted of Werk Ost and Werk Süd, while Werk West (Peenemünde West) was the Luftwaffe Test Site (Erprobungsstelle der Luftwaffe),[5]:55 one of the four test and research facilities of the Luftwaffe, with its headquarters facility at Erprobungsstelle Rechlin.