Rubuta ci gaba ga wannan sakin layi - An fara aiki a kan ra'ayi a 1941, kuma an bayyana ƙayyadaddun bayanai a ranar 2 ga Nuwamba, 1942. An gwada samfuran farko a watan Maris na 1943, amma babban koma baya ya faru a watan Agusta 1943 lokacin da aka kashe Dr. Walter Thiel yayin Operation Hydra
fashewar bama-bamai, farkon kamfen na fashewar bam na Operation Crossbow a kan samar da V-2. Bayan nasarar farko da aka samu (samfurin na uku) a ranar 8 ga Maris, 1944, an kammala gwajin gwajin Wasserfall uku a ƙarshen Yuni 1944. Kaddamarwa a ranar 8 ga Janairu, 1945 ya zama rashin nasara, tare da injin "fizzling" da kuma kaddamar da makami mai linzami zuwa kilomita 7 kawai na tsawo a saurin subsonic. A watan Fabrairun da ya biyo baya an sami nasarar ƙaddamarwa wanda ya kai saurin saurin 770 m / s (2,800 km / h) a cikin jirgin sama. An kammala gwajin gwajin Wasserfall talatin da biyar a lokacin da aka kwashe Peenemünde a ranar 17 ga Fabrairu, 1945.