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Launch calendar — April 1973

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9 launches this month

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1

2

3

4

5

11:11 Molniya-2 5

6

02:11 Pioneer 11

7

8

9

10

11

12

11:49 DS-P1-Yu 61

13

14

15

16

17

18

19

08:59 Zenit-4MK 11 10:19 DS-U2-IK 3 & Kopernik-500

20

21

22

23

24

25

09:10 US-A 5 10:45 Zenit-2M 37

26

27

28

29

30