Delta launches in 1973
April 1973
20 Apr
Anik-A2
Delta
June 1973
10 Jun
Explorer 49
Delta
July 1973
16 Jul
ITOS-E
Delta
October 1973
26 Oct
Explorer 50
Delta
November 1973
6 Nov
NOAA-3
Delta
December 1973
16 Dec
Explorer 51
Delta
20 Apr
10 Jun
16 Jul
26 Oct
6 Nov
16 Dec