Atlas launches in 1971
January 1971
26 Jan
Intelsat 4 F2
Atlas
April 1971
5 Apr
REV test
Atlas
May 1971
June 1971
29 Jun
REV test
Atlas
August 1971
7 Aug
OV1-20
Atlas
September 1971
1 Sep
REV test
Atlas
December 1971
4 Dec
AFP-827
Atlas20 Dec
Intelsat 4 F3
Atlas