Year
.
1970
---
---
6 000 a
1971
---
-
23 600 a
1972
37 375 a
37 375 a
17 600 b
1973
23 000 a
23 000 a
21 000 c
1974
15 500 d
15 500 d
15 500 d
1975
15 500 e
15 500 e
3 000 f
1976
28 400 g
23 000 h
11 300 i
1977
17 300 j
--- k
16 800 l
1978
63 000 m
61 000
65 400 n
a For spaceflight operations -orbital systems and experiments/payloads.
b Includes $7 100 000 for space station studies.
c Includes $6 000 000 for spacelab concept verification testing.
d Includes $2 500 000 for spacelab concept verification testing.
e Includes $2 500 000 for spacelab concept verification testing, and $1 500 000 for space tug studies.
f In FY 1977, this category was renamed spaceflight operations -space transportation system operations capability development. The total programmed for FY 1975 included $2 000 000 for spacelab studies and $1 000 000 for Shuttle interim upper stage studies.
g Includes $6 400 000 for the transition quarter; the total includes $6 100 000 (plus $1 900 000 for the transition quarter) for spacelab concept verification testing and $3 400 000 (plus $700 000 for the transition quarter) for Shuttle interim upper stage/space tug studies.
h Authorization figures do not include transition quarter funds.
i Includes $6 100 000 for spacelab studies and $2 625 000 for space transportation system upper stage studies.
j Includes $10 500 000 for spacelab studies and $3 800 000 for space transportation system upper stage studies.
k A total of $2 500 000 was subtracted from the authorization for space transportation system operations capability development, and development, test, and mission operations.
l Includes $8 600 000 for spacelab studies and $1 800 000 for space transportation system upper stage studies.
m Includes $24 500 000 for spacelab studies and $13 500 000 for space transportation system upper stage studies.
n Includes $21 600 000 for spacelab studies and $8 400 000 for space transportation system upper stage studies.