Year
.
1969
68 000 a
---
46 188 b
1970
53 300 c
53 300 c
63 871
1971
50 900 d
50 900 d
41 840
1972
52 800
52 800
61 600
1973
43 000
43 000
37 683
1974
8 900
--- e
11 135
1975
4 119
4 119
5 324
a Includes $30 000 000 for Mariner Mars 1969, $18 000 000 for Mariner Mars 1971, and $20 000 000 for Titan Mars 1973.
b Includes $26 130 000 for Mariner Mars 1969 and $20 058 000 for Mariner Mars 1971.
c Includes $4 900 000 for Mariner Mars 1969, $45 400 000 for Mariner Mars 1971, and $3 000 000 for Titan Mars 1973.
d Includes $200 000 for Mariner Mars 1969, $29 600 000 for Mariner Mars 1971, and $21 100 000 for Titan Mars 1973.
e The total lunar and planetary authorization was reduced by $1 000 000.