Can a pile of scrap unmask a new high technology? The A4/V-2 No V89 Bäckebo-torpeden

► Original Swedish and British reports from 1944 used to judge results of reconstruction of A4/V-2. ► Actual information from launch site and German archives are used as references. ► Personal interviews have been conducted with persons involved at launch site. ► Impact site inspection performed to verify information from press and military reports. ► Performed reconstructions are very exact despite hardly any previous information on A4/V-2.