ဗွီ-၂ ဒုံးပျံ: တည်းဖြတ်မှု မူကွဲများ

By late 1941, the [[Peenemünde#Army Research Center Peenemünde|Army Research Center]] at Peenemünde possessed the technologies essential to the success of the A-4. The four key technologies for the A-4 were large liquid-fuel rocket engines, supersonic aerodynamics, gyroscopic guidance and rudders in jet control.<ref name=Neufeld>{{cite book |last=Neufeld|first=Michael J|title=The Rocket and the Reich: Peenemünde and the Coming of the Ballistic Missile Era|url=https://archive.org/details/isbn_9780029228951|year=1995|month= |publisher=The Free Press|location=New York|pages=[https://archive.org/details/isbn_9780029228951/page/73 73], 74, 101, 281}}</ref> At the time, [[Adolf Hitler]] was not particularly impressed by the V-2; he pointed out that it was merely an artillery shell with a longer range and much higher cost.<ref name=Irons>{{Cite journal |last=Irons |first=Roy |title=Hitler's terror weapons: The price of vengeance |page=181}}</ref>

Following [[Operation Crossbow]] bombing, initial plans for launching from the massive underground [[Blockhaus d'Éperlecques|Watten]] and [[La Coupole|Wizernes]] bunkers or from fixed pads such as [[Le Molay-Littry|near the Chateau du Molay]]<ref name=Jones>{{cite book |last=Jones |first=R. V. |authorlink=Reginald Victor Jones |year=1978 |title=Most Secret War: British Scientific Intelligence 1939–1945 |url=https://archive.org/details/mostsecretwar0000jone |location=London |publisher=Hamish Hamilton |isbn=0-241-89746-7 |page=[https://archive.org/details/mostsecretwar0000jone/page/433 433]}}</ref> were dropped in favour of mobile launching. Eight main storage dumps were planned and four had been completed by July 1944 (the one at [[Mery-sur-Oise]] was begun in August 1943 and completed by February 1944).<ref>{{cite web|url=http://www.allworldwars.com/V-Weapons%20Crossbow%20Campaign.html |title=V-Weapons Crossbow Campaign |publisher=Allworldwars.com |date= |accessdate=2010-04-27}}</ref> The missile could be launched practically anywhere, roads running through forests being a particular favourite. The system was so mobile and small that only one Meillerwagen was ever caught in action by Allied aircraft, during the [[Operation Bodenplatte]] attack on January 1, 1945<ref>{{cite book |last=Ordway |first=Frederick I, III |authorlink=Frederick I. Ordway III |coauthors=Sharpe, Mitchell R |year=1979 |title=The Rocket Team |url=http://www.apogeebooks.com/indices/RocketTeamindex.htm |format=index |series=Apogee Books Space Series 36 |publisher=Thomas Y. Crowell |location=New York |isbn=1-894959-00-0 |page=256 |access-date=10 January 2013 |archive-date=4 March 2012 |archive-url=https://web.archive.org/web/20120304025247/http://www.apogeebooks.com/indices/RocketTeamindex.htm |url-status=dead }}</ref> near [[Lochem]] by a USAAF [[4th Fighter Group]] aircraft, although [[Raymond Baxter]] described flying over a site during a launch and his wingman firing at the missile without hitting it.