Editing Proton (satellite program) (section)

===Proton 2===

The virtually identical Proton 2 was launched 2 November 1965 12:28&nbsp;UTC, also from Baikonur Cosmodrome Site 81/23.<ref name=log/> It reentered Earth's atmosphere on 6 February 1966.<ref name=cat/> At the time of their launch, American experts believed the first Protons were experimental space station components due to their weight and the Soviet use of the word "station" in describing the observatory satellites.<ref name=avweek1965d>{{cite magazine| date = 8 November 1965| title = News Digest (Soviets launched)| url = http://archive.aviationweek.com/issue/19651108#!&pid=24| magazine = Aviation Week and Space Technology| location = New York| publisher = McGraw Hill Publishing Company| access-date = 23 October 2020}}</ref><ref name="aa1965a">{{cite web|url=https://history.nasa.gov/AAchronologies/1965.pdf|title=Aeronautics and Astronautics, 1965|publisher=NASA|page=333|access-date=24 April 2020}}</ref>