USA launches in 1978
January 1978
7 Jan
Intelsat 4A F3
Atlas26 Jan
Explorer 57
Delta
February 1978
9 Feb
FLTSATCOM-1
Atlas22 Feb
GPS-1
Atlas25 Feb
OPS-6031
Titan
March 1978
5 Mar
Landsat 3
Delta16 Mar
OPS-0460
Titan25 Mar
OPS-9439
Titan31 Mar
Intelsat 4A F6
Atlas
April 1978
7 Apr
OPS-8790 Aquacade-4
Atlas7 Apr
BSE-1
Delta26 Apr
Explorer 56
Scout
May 1978
1 May
DMSP-5D-F3
Thor11 May
OTS-2
Delta13 May
GPS-2
Atlas20 May
June 1978
10 Jun
OPS-9454
Titan14 Jun
OPS-4515
Titan16 Jun
GOES-C
Delta27 Jun
Seasat
Atlas29 Jun
Comstar D3
Atlas
July 1978
14 Jul
ESA-GEOS-2
Delta
August 1978
5 Aug
OPS-7310
Titan8 Aug
12 Aug
Explorer 59
Delta