With a tested 370km reach, the V1 was planned to be launched from mobile and transportable launch ramps by 1941. Mobility was key to prevent detection by Allied aircraft. Main targets were Antwerp and Britain/ London to be bombed from Normandy.
The original design and built were by Fieseler, one of the many German aircraft manufacturers of the time.
Not much later the means and mechanisms were developed to launch the V1 from "carrier-aircraft", becoming the first ever air-to-ground guided missile.
Due to its low speed (~600kmh) and low flight elevation , most V1's luckily never reached their targets and were shot down by the Allied flak.
Launching ramp (collapsible+ transportable) for the V1's.
A Russian Mikojan copy of the V1 at the Peenemuende Airfield.
Air + ramp launched.
After the "distribution" of the Peenemuende-Science-Gang to the different Allied countries post-WW2, this Tupolev-built guided missile became "standard-issue" within the Eastern Block countries from 1953.
1942....and through the enormous pressure on the Peenemuende scientists and its head Wernher von Braun by the Nazi leadership, the V2 with its longer reach (400km), higher ceiling (90km!) greater speed (5000km/h) and far smaller launching pad took flight.
Due to the high ceiling it was unreachable to the Flak, as well as being invisible to the Allied radar due to its high speed.
The V9 and V10 developments as the first intercontinental rockets with 300km ceilings, 4000km/h speed and 2-5 tonne payloads were stopped in 1943 after the "Wolf's-Lair" summit with Hitler due to the need to concentrate on war-efforts and convert a good part of the research facilities into a commercial V2 production facility.