Kammala wannan jumla: Don mayar da martani ga wannan barazanar, Rundunar Sojan Ruwa ta Amurka ta gudanar da Operation Teardrop tsakanin Afrilu da Mayu 1945 don nutsewa jiragen ruwa na Jamus da aka gano suna zuwa ga Gabashin Gabas, wanda aka yi imanin cewa suna dauke da makamai na V-1 ko V-2. Biyar daga cikin bakwai Type IX submarines da aka ajiye a Amurka da aka sunk; hudu tare da su duka ƙungiya. An kama ma'aikatan jirgin guda talatin da uku. Bayan da
A karshen yakin a Turai, jiragen ruwa na karkashin ruwa, "U-805", "U-858" kuma sun mika wuya a teku kafin su koma sansanoni a gabar gabashin Amurka.