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== History ==
[[File:SpaceX rockets.svg|thumb|upright=2|right|From left to right, [[Falcon 1]], [[Falcon 9 v1.0]], three versions of [[Falcon 9 v1.1]], three versions of [[Falcon 9 Full Thrust|Falcon 9 v1.2 (Full Thrust)]], three versions of [[Falcon 9 Block 5]], [[Falcon Heavy]], three versions of [[Falcon Heavy Block 5]] and [[SpaceX Starship|Starship]] Block 1. The SpaceX reusable rocket technology is being developed for Falcon 9 v1.2, Falcon Heavy and Starship.]]
SpaceX attempted to land the first stage of the [[Falcon 1#Reusability|Falcon 1 by parachute]], but the stage did not survive atmosphere re-entry. They continued to experiment unsuccessfully with parachutes on the earliest [[Falcon 9]] flights after 2010. SpaceX subsequently switched to developing a [[Retropropulsion|powered descent]] [[VTVL|landing]] system.<ref name=nsf20170330>{{cite news |last=Graham |first=William |url=https://www.nasaspaceflight.com/2017/03/spacex-historic-falcon-9-re-flight-ses-10/ |title=SpaceX conducts historic Falcon 9 re-flight with SES-10 – Lands booster again |work=[[NASASpaceFlight.com]] |date=2017-03-30 |access-date=2017-05-27 |quote='The earliest Falcon 9 launches carried parachutes which were to have been used to recover the first stage. However, this was abandoned due to the stage disintegrating during reentry, before the parachutes could be deployed. Instead, SpaceX began to investigate using the stage’s engines to make a powered descent and landing. Alongside this, an improved Falcon 9 vehicle, the Falcon 9 v1.1, was developed.' |archive-date=May 17, 2017 |archive-url=https://web.archive.org/web/20170517125334/https://www.nasaspaceflight.com/2017/03/spacex-historic-falcon-9-re-flight-ses-10/ |url-status=live }}</ref>
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