January 1977
6 Jan
Kosmos 888
Soyuz6 Jan
Meteor 2-2
Vostok20 Jan
Kosmos 890
Kosmos20 Jan
Kosmos 889
Soyuz28 Jan
NATO 3B
Delta
February 1977
2 Feb
Kosmos 891
Kosmos6 Feb
OPS-3151
Titan7 Feb
Soyuz 24
Soyuz9 Feb
Kosmos 892
Soyuz11 Feb
Molniya 2-17
Molniya15 Feb
Kosmos 893
Kosmos19 Feb
MS-T3
Mu21 Feb
Kosmos 894
Kosmos22 Feb
Zenit-4MK
Soyuz23 Feb
ETS-2
Thor26 Feb
Kosmos 895
Vostok
March 1977
3 Mar
Kosmos 896
Soyuz10 Mar
Kosmos 897
Soyuz10 Mar
Palapa-A2
Delta13 Mar
OPS-4915
Titan17 Mar
Kosmos 898
Soyuz24 Mar
Kosmos 899
Kosmos24 Mar
Molniya 1-36
Molniya29 Mar
Kosmos 900
Kosmos
April 1977
5 Apr
Kosmos 901
Kosmos5 Apr
Meteor 1-27
Vostok7 Apr
Kosmos 902
Soyuz11 Apr
Kosmos 903
Molniya20 Apr
Kosmos 904
Soyuz20 Apr
ESA-GEOS-1
Delta26 Apr
Kosmos 905
Soyuz27 Apr
Kosmos 906
Kosmos28 Apr
Molniya 3-19L
Molniya
May 1977
5 May
Kosmos 907
Soyuz12 May
OPS-9437
Titan17 May
Kosmos 908
Soyuz19 May
Kosmos 909
Kosmos23 May
Kosmos 910
Tsyklon23 May
AFP-827
Atlas25 May
Kosmos 911
Kosmos26 May
Kosmos 912
Soyuz26 May
Intelsat 4A F4
Atlas30 May
Kosmos 913
Kosmos31 May
Kosmos 914
Soyuz
June 1977
5 Jun
DMSP-5D-F2
Thor8 Jun
Kosmos 915
Soyuz10 Jun
Kosmos 916
Soyuz16 Jun
Kosmos 917
Molniya16 Jun
GOES-B
Delta17 Jun
Signe 3
Kosmos17 Jun
Kosmos 918
Tsyklon18 Jun
Kosmos 919
Kosmos22 Jun
Kosmos 920
Soyuz23 Jun
NTS-2
Atlas24 Jun
Molniya 1-37
Molniya24 Jun
Kosmos 921 (EPN 03.0380
Tsyklon27 Jun
OPS-4800
Titan29 Jun
Meteor 1-28
Vostok30 Jun
Kosmos 922
Soyuz
July 1977
1 Jul
Kosmos 923
Kosmos4 Jul
Kosmos 924
Kosmos7 Jul
Kosmos 925
Vostok8 Jul
Kosmos 926
Kosmos12 Jul
Kosmos 927
Soyuz13 Jul
Kosmos 928
Kosmos14 Jul
GMS-1
Delta17 Jul
Kosmos 929
Proton19 Jul
Kosmos 930
Kosmos20 Jul
Kosmos 931
Molniya20 Jul
Kosmos 932
Soyuz22 Jul
Kosmos 933
Kosmos23 Jul
Gran' #13L
Proton27 Jul
Kosmos 934
Soyuz29 Jul
Kosmos 935
Soyuz
August 1977
3 Aug
Kosmos 936
Soyuz4 Aug
TKS VA #009A/P
Proton10 Aug
Zenit-4MKM
Soyuz12 Aug
HEAO-1
Atlas16 Aug
Ionosphere mission
Lambda20 Aug
Voyager 2
Titan24 Aug
Kosmos 939-946
Kosmos24 Aug
Kosmos 937
Tsyklon24 Aug
Kosmos 938
Soyuz25 Aug
Sirio-1
Delta27 Aug
Kosmos 947
Soyuz30 Aug
Molniya 1-38
Molniya
September 1977
2 Sep
Kosmos 948
Soyuz5 Sep
Voyager 1
Titan6 Sep
Kosmos 949
Soyuz13 Sep
Kosmos 951
Kosmos13 Sep
Kosmos 950
Soyuz13 Sep
OTS-1
Delta16 Sep
Kosmos 952
Tsyklon16 Sep
Kosmos 953
Soyuz18 Sep
Kosmos 954
Tsyklon20 Sep
Kosmos 955
Vostok20 Sep
Ekran #12L
Proton22 Sep
Prognoz 6
Molniya23 Sep
OPS-7471
Titan24 Sep
Interkosmos 17
Kosmos24 Sep
Kosmos 956 (EPN 03.0380
Tsyklon29 Sep
Salyut 6
Proton30 Sep
Intelsat 4A F5
Atlas30 Sep
Kosmos 957
Soyuz
October 1977
9 Oct
Soyuz 25
Soyuz11 Oct
Kosmos 958
Soyuz21 Oct
Kosmos 959
Kosmos22 Oct
Explorer 56 (ISEE-A
Delta25 Oct
Kosmos 960
Kosmos26 Oct
Kosmos 961
Tsyklon28 Oct
Kosmos 962
Kosmos28 Oct
Molniya 3-18L
Molniya28 Oct
Transat
Scout
November 1977
23 Nov
Meteosat-1
Delta24 Nov
Kosmos 963
Kosmos29 Nov
Kosmos 964
Kosmos
December 1977
4 Dec
Kosmos 964
Soyuz8 Dec
Kosmos 965
Kosmos8 Dec
OPS-8781
Atlas10 Dec
Soyuz 26
Soyuz11 Dec
OPS-4258
Atlas12 Dec
Kosmos 966
Soyuz13 Dec
Kosmos 967
Kosmos14 Dec
Meteor 2-3
Vostok15 Dec
CS-1
Delta16 Dec
Kosmos 968
Kosmos20 Dec
Kosmos 969
Soyuz21 Dec
Kosmos 970
Tsyklon23 Dec
Kosmos 971
Kosmos27 Dec
Kosmos 972 (EPN 03.0380
Tsyklon27 Dec
Kosmos 973
Soyuz