Editing V-2 rocket (section)

==== Air burst problem ====
Through mid-March 1944, only four of the 26 successful Blizna launches had satisfactorily reached the [[Sarnaki]] target area<ref name=Klee>{{cite book |last=Klee |first=Ernst |author2=Merk, Otto |title=The Birth of the Missile: The Secrets of Peenemünde |orig-date=1963 |issue=English translation |year=1965 |publisher=Gerhard Stalling Verlag |location=Hamburg |page=47}}</ref>{{Rp|112, 221–222, 282}} due to in-flight breakup ({{Lang|de|Luftzerleger}}) on re-entry into the atmosphere.<ref name=Johnson>{{cite book |last=Johnson |first=David |title=V-1, V-2: Hitler's Vengeance on London|year=1982 |publisher=Stein and Day |location=New York |page=100 |isbn=978-0-8128-2858-0}}</ref>{{Rp|100}} (As mentioned above, one rocket was collected by the Polish [[Home Army]], with parts of it transported to London for tests.) Initially, the German developers suspected excessive alcohol tank pressure, but by April 1944, after five months of test firings, the cause was still not determined. Major-General Rossmann, the Army Weapons Office department chief, recommended stationing observers in the target area – {{circa}} May/June, Dornberger and von Braun set up a camp at the centre of the Poland target zone.<ref>Neufeld 1995 pp. 221–222</ref> After moving to the Heidekraut,<ref name=Ordway />{{Rp|172–173}} SS Mortar Battery 500 of the 836th Artillery Battalion (Motorized) was ordered<ref name=Klee />{{Rp|47}} on 30 August<ref name=Pocock>{{cite book |last=Pocock |first=Rowland F. |title=German Guided Missiles of the Second World War |year=1967 |publisher=Arco Publishing Company, Inc |location=New York |pages=51, 52}}</ref> to begin test launches of eighty 'sleeved' rockets.<ref name=Irving />{{Rp|281}} Testing confirmed that the so-called 'tin trousers' – a tube designed to strengthen the forward end of the rocket cladding – reduced the likelihood of air bursts.<ref name=Johnson />{{Rp|100}}<ref name=walter />{{rp|188–198}}